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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-39421 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 6.3 Medium |
| MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a sandbox escape vulnerability in the ToolExecutor component. By leveraging Python's ctypes library to execute raw system calls, an authenticated attacker with workspace privileges can bypass the LD_PRELOAD-based sandbox.so module to achieve arbitrary code execution via direct kernel system calls, enabling full network exfiltration and container compromise. The library intercepts critical standard system functions such as execve, system, connect, and open. It also intercepts mprotect to prevent PROT_EXEC (executable memory) allocations within the sandboxed Python processes, but pkey_mprotect is not blocked. This issue has been fixed in version 2.8.0. | ||||
| CVE-2026-39422 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 5.4 Medium |
| MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting (XSS) vulnerability through the application name or icon fields when creating an application. When a victim visits the public chat interface (/ui/chat/{access_token}), the ChatHeadersMiddleware retrieves the application data and directly inserts the unescaped application name and icon into the HTML response via string replacement. This allows an attacker to execute arbitrary JavaScript in the victim's browser context. This issue has been fixed in version 2.8.0. | ||||
| CVE-2026-39423 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 5.4 Medium |
| MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an Eval Injection vulnerability in the Markdown rendering engine that allows any user capable of interacting with the AI chat interface to execute arbitrary JavaScript in the browsers of other users, including administrators, resulting in Stored Cross-Site Scripting (XSS). This issue has been fixed in version 2.8.0. | ||||
| CVE-2026-39424 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 4.7 Medium |
| MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, the chat export feature is vulnerable to Improper Neutralization of Formula Elements in a CSV File. When an administrator exports the application chat history to an Excel file (.xlsx) via the /admin/api/workspace/{workspace_id}/application/{application_id}/chat/export endpoint, strings starting with formula characters are written directly without proper sanitization. Opening this file in spreadsheet applications like Microsoft Excel can lead to Arbitrary Code Execution (RCE) on the administrator's workstation via Dynamic Data Exchange (DDE). The issue is a variant of CVE-2025-4546, which fixed the exact same pattern in apps/dataset/serializers/document_serializers.py but missed the application chat export sink. This issue has been fixed in version 2.8.0. | ||||
| CVE-2026-39419 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 3.1 Low |
| MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, an authenticated user can bypass sandbox result validation and spoof tool execution results by exploiting Python frame introspection to read the wrapper's UUID from its bytecode constants, then writing a forged result directly to file descriptor 1 (bypassing stdout redirection). By calling sys.exit(0), the attacker terminates the wrapper before it prints the legitimate output, causing the MaxKB service to parse and trust the spoofed response as the genuine tool result. This issue has been fixed in version 2.8.0. | ||||
| CVE-2026-39425 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 5.4 Medium |
| MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting (XSS) vulnerability that allows authenticated users to inject arbitrary HTML and JavaScript into the Application prologue (Opening Remarks) field by wrapping malicious payloads in <html_rander> tags. The backend fails to sanitize or encode HTML entities in the prologue field when applications are created or updated via the /admin/api/workspace/{workspace_id}/application endpoint, storing the raw payload directly in the database. The frontend then renders this content using an innerHTML-equivalent mechanism, trusting <html_rander>-wrapped content to be safe, which enables persistent DOM-based Stored XSS execution against any visitor who opens the affected chatbot interface. Exploitation can lead to session hijacking, unauthorized actions performed on behalf of victims (such as deleting workspaces or applications), and sensitive data exposure. This issue has been fixed in version 2.8.0. | ||||
| CVE-2026-39426 | 2 1panel, Maxkb | 2 Maxkb, Maxkb | 2026-04-20 | 5.4 Medium |
| MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting (XSS) vulnerability where the frontend's MdRenderer.vue component parses custom <iframe_render> tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitization and XSS filtering. The unsanitized HTML content is passed to the IframeRender.vue component, which renders it directly into an <iframe> via the srcdoc attribute configured with sandbox="allow-scripts allow-same-origin". This can be a dangerous combination, allowing injected scripts to escape the iframe and execute JavaScript in the parent window using window.parent. Since the Prologue is rendered for any user visiting an application's chat interface, this results in a high-impact Stored XSS that can lead to session hijacking, unauthorized actions, and sensitive data exposure. This issue has been fixed in version 2.8.0. | ||||
| CVE-2025-3523 | 2 Mozilla, Redhat | 6 Thunderbird, Enterprise Linux, Rhel Aus and 3 more | 2026-04-20 | 6.4 Medium |
| When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability was fixed in Thunderbird 137.0.2 and Thunderbird 128.9.2. | ||||
| CVE-2025-4083 | 2 Mozilla, Redhat | 8 Firefox, Thunderbird, Enterprise Linux and 5 more | 2026-04-20 | 9.1 Critical |
| A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | ||||
| CVE-2025-71150 | 1 Linux | 1 Linux Kernel | 2026-04-20 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2_SESSION_VALID, It indicates that no valid session was found, but it is missing to decrement the reference count acquired by the session lookup, which results in a reference count leak. This patch fixes the issue by explicitly calling ksmbd_user_session_put to release the reference to the session. | ||||
| CVE-2025-14063 | 2 Seomantis, Wordpress | 2 Seo Links Interlinking, Wordpress | 2026-04-20 | 6.1 Medium |
| The SEO Links Interlinking plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'google_error' parameter in all versions up to, and including, 1.7.9.9.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. | ||||
| CVE-2025-71229 | 1 Linux | 1 Linux Kernel | 2026-04-20 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Fix alignment fault in rtw_core_enable_beacon() rtw_core_enable_beacon() reads 4 bytes from an address that is not a multiple of 4. This results in a crash on some systems. Do 1 byte reads/writes instead. Unable to handle kernel paging request at virtual address ffff8000827e0522 Mem abort info: ESR = 0x0000000096000021 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x21: alignment fault Data abort info: ISV = 0, ISS = 0x00000021, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000005492000 [ffff8000827e0522] pgd=0000000000000000, p4d=10000001021d9403, pud=10000001021da403, pmd=100000011061c403, pte=00780000f3200f13 Internal error: Oops: 0000000096000021 [#1] SMP Modules linked in: [...] rtw88_8822ce rtw88_8822c rtw88_pci rtw88_core [...] CPU: 0 UID: 0 PID: 73 Comm: kworker/u32:2 Tainted: G W 6.17.9 #1-NixOS VOLUNTARY Tainted: [W]=WARN Hardware name: FriendlyElec NanoPC-T6 LTS (DT) Workqueue: phy0 rtw_c2h_work [rtw88_core] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rtw_pci_read32+0x18/0x40 [rtw88_pci] lr : rtw_core_enable_beacon+0xe0/0x148 [rtw88_core] sp : ffff800080cc3ca0 x29: ffff800080cc3ca0 x28: ffff0001031fc240 x27: ffff000102100828 x26: ffffd2cb7c9b4088 x25: ffff0001031fc2c0 x24: ffff000112fdef00 x23: ffff000112fdef18 x22: ffff000111c29970 x21: 0000000000000001 x20: 0000000000000001 x19: ffff000111c22040 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : ffffd2cb6507c090 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000007f10 x1 : 0000000000000522 x0 : ffff8000827e0522 Call trace: rtw_pci_read32+0x18/0x40 [rtw88_pci] (P) rtw_hw_scan_chan_switch+0x124/0x1a8 [rtw88_core] rtw_fw_c2h_cmd_handle+0x254/0x290 [rtw88_core] rtw_c2h_work+0x50/0x98 [rtw88_core] process_one_work+0x178/0x3f8 worker_thread+0x208/0x418 kthread+0x120/0x220 ret_from_fork+0x10/0x20 Code: d28fe202 8b020000 f9524400 8b214000 (b9400000) ---[ end trace 0000000000000000 ]--- | ||||
| CVE-2025-71231 | 1 Linux | 1 Linux Kernel | 2026-04-20 | 7.1 High |
| In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix out-of-bounds index in find_empty_iaa_compression_mode The local variable 'i' is initialized with -EINVAL, but the for loop immediately overwrites it and -EINVAL is never returned. If no empty compression mode can be found, the function would return the out-of-bounds index IAA_COMP_MODES_MAX, which would cause an invalid array access in add_iaa_compression_mode(). Fix both issues by returning either a valid index or -EINVAL. | ||||
| CVE-2025-71232 | 1 Linux | 1 Linux Kernel | 2026-04-20 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Free sp in error path to fix system crash System crash seen during load/unload test in a loop, [61110.449331] qla2xxx [0000:27:00.0]-0042:0: Disabled MSI-X. [61110.467494] ============================================================================= [61110.467498] BUG qla2xxx_srbs (Tainted: G OE -------- --- ): Objects remaining in qla2xxx_srbs on __kmem_cache_shutdown() [61110.467501] ----------------------------------------------------------------------------- [61110.467502] Slab 0x000000000ffc8162 objects=51 used=1 fp=0x00000000e25d3d85 flags=0x57ffffc0010200(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [61110.467509] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G OE -------- --- 5.14.0-284.11.1.el9_2.x86_64 #1 [61110.467513] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023 [61110.467515] Call Trace: [61110.467516] <TASK> [61110.467519] dump_stack_lvl+0x34/0x48 [61110.467526] slab_err.cold+0x53/0x67 [61110.467534] __kmem_cache_shutdown+0x16e/0x320 [61110.467540] kmem_cache_destroy+0x51/0x160 [61110.467544] qla2x00_module_exit+0x93/0x99 [qla2xxx] [61110.467607] ? __do_sys_delete_module.constprop.0+0x178/0x280 [61110.467613] ? syscall_trace_enter.constprop.0+0x145/0x1d0 [61110.467616] ? do_syscall_64+0x5c/0x90 [61110.467619] ? exc_page_fault+0x62/0x150 [61110.467622] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [61110.467626] </TASK> [61110.467627] Disabling lock debugging due to kernel taint [61110.467635] Object 0x0000000026f7e6e6 @offset=16000 [61110.467639] ------------[ cut here ]------------ [61110.467639] kmem_cache_destroy qla2xxx_srbs: Slab cache still has objects when called from qla2x00_module_exit+0x93/0x99 [qla2xxx] [61110.467659] WARNING: CPU: 53 PID: 455206 at mm/slab_common.c:520 kmem_cache_destroy+0x14d/0x160 [61110.467718] CPU: 53 PID: 455206 Comm: rmmod Kdump: loaded Tainted: G B OE -------- --- 5.14.0-284.11.1.el9_2.x86_64 #1 [61110.467720] Hardware name: HPE ProLiant DL385 Gen10 Plus v2/ProLiant DL385 Gen10 Plus v2, BIOS A42 08/17/2023 [61110.467721] RIP: 0010:kmem_cache_destroy+0x14d/0x160 [61110.467724] Code: 99 7d 07 00 48 89 ef e8 e1 6a 07 00 eb b3 48 8b 55 60 48 8b 4c 24 20 48 c7 c6 70 fc 66 90 48 c7 c7 f8 ef a1 90 e8 e1 ed 7c 00 <0f> 0b eb 93 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 [61110.467725] RSP: 0018:ffffa304e489fe80 EFLAGS: 00010282 [61110.467727] RAX: 0000000000000000 RBX: ffffffffc0d9a860 RCX: 0000000000000027 [61110.467729] RDX: ffff8fd5ff9598a8 RSI: 0000000000000001 RDI: ffff8fd5ff9598a0 [61110.467730] RBP: ffff8fb6aaf78700 R08: 0000000000000000 R09: 0000000100d863b7 [61110.467731] R10: ffffa304e489fd20 R11: ffffffff913bef48 R12: 0000000040002000 [61110.467731] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [61110.467733] FS: 00007f64c89fb740(0000) GS:ffff8fd5ff940000(0000) knlGS:0000000000000000 [61110.467734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [61110.467735] CR2: 00007f0f02bfe000 CR3: 00000020ad6dc005 CR4: 0000000000770ee0 [61110.467736] PKRU: 55555554 [61110.467737] Call Trace: [61110.467738] <TASK> [61110.467739] qla2x00_module_exit+0x93/0x99 [qla2xxx] [61110.467755] ? __do_sys_delete_module.constprop.0+0x178/0x280 Free sp in the error path to fix the crash. | ||||
| CVE-2025-71233 | 1 Linux | 1 Linux Kernel | 2026-04-20 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Avoid creating sub-groups asynchronously The asynchronous creation of sub-groups by a delayed work could lead to a NULL pointer dereference when the driver directory is removed before the work completes. The crash can be easily reproduced with the following commands: # cd /sys/kernel/config/pci_ep/functions/pci_epf_test # for i in {1..20}; do mkdir test && rmdir test; done BUG: kernel NULL pointer dereference, address: 0000000000000088 ... Call Trace: configfs_register_group+0x3d/0x190 pci_epf_cfs_work+0x41/0x110 process_one_work+0x18f/0x350 worker_thread+0x25a/0x3a0 Fix this issue by using configfs_add_default_group() API which does not have the deadlock problem as configfs_register_group() and does not require the delayed work handler. [mani: slightly reworded the description and added stable list] | ||||
| CVE-2025-66168 | 1 Apache | 3 Activemq, Activemq All Module, Activemq Mqtt Module | 2026-04-20 | 5.4 Medium |
| WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://www.cve.org/CVERecord?id=CVE-2026-40046 Original Report: Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT control packets which makes the broker susceptible to unexpected behavior when interacting with non-compliant clients. This behavior violates the MQTT v3.1.1 specification, which restricts Remaining Length to a maximum of 4 bytes. The scenario occurs on established connections after the authentication process. Brokers that are not enabling mqtt transport connectors are not impacted. This issue affects Apache ActiveMQ: before 5.19.2, 6.0.0 to 6.1.8, and 6.2.0 Users are recommended to upgrade to version 5.19.2, 6.1.9, or 6.2.1, which fixes the issue. | ||||
| CVE-2025-40931 | 1 Chorny | 2 Apache::session::generate::md5, Apache\ | 2026-04-20 | 9.1 Critical |
| Apache::Session::Generate::MD5 versions through 1.94 for Perl create insecure session id. Apache::Session::Generate::MD5 generates session ids insecurely. The default session id generator returns a MD5 hash seeded with the built-in rand() function, the epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage. Predicable session ids could allow an attacker to gain access to systems. Note that the libapache-session-perl package in some Debian-based Linux distributions may be patched to use Crypt::URandom. | ||||
| CVE-2026-21709 | 1 Veeam | 2 Backup And Replication, Software Appliance | 2026-04-20 | 6.7 Medium |
| A vulnerability allowing a local attacker with administrator privileges to bypass Windows Driver Signature Enforcement. | ||||
| CVE-2026-6652 | 2026-04-20 | 4.7 Medium | ||
| A weakness has been identified in Pagekit CMS up to 1.0.18. This issue affects the function evaluate of the file app/modules/view/src/PhpEngine.php of the component StringStorage Template Handler. This manipulation causes improper neutralization of directives in dynamically evaluated code. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. | ||||
| CVE-2026-21721 | 1 Grafana | 2 Grafana, Grafana Enterprise | 2026-04-20 | 8.1 High |
| The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation. | ||||