A flaw has been found in LMCache up to 0.4.6. This affects the function hex_hash_to_int16 of the file lmcache/integration/vllm/utils.py of the component KV Cache Handler. Executing a manipulation can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Attack Vector Local

Attack Complexity High

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity High

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a LMCache affected
Version Status Constraints
0.4.0 affected —
0.4.1 affected —
0.4.2 affected —
0.4.3 affected —
0.4.4 affected —
0.4.5 affected —
0.4.6 affected —

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/LMCache/LMCache/ cve-icon cve-icon
https://github.com/LMCache/LMCache/issues/3301 cve-icon cve-icon
https://github.com/LMCache/LMCache/pull/2932 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-10813 cve-icon cve-icon
https://vuldb.com/submit/831641 cve-icon cve-icon
https://vuldb.com/vuln/368261 cve-icon cve-icon
https://vuldb.com/vuln/368261/cti cve-icon cve-icon
History

Thu, 04 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Description A flaw has been found in LMCache up to 0.4.6. This affects the function hex_hash_to_int16 of the file lmcache/integration/vllm/utils.py of the component KV Cache Handler. Executing a manipulation can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Title LMCache KV Cache utils.py hex_hash_to_int16 weak hash
First Time appeared Lmcache
Lmcache lmcache
Weaknesses CWE-327
CWE-328
CPEs cpe:2.3:a:lmcache:lmcache:*:*:*:*:*:*:*:*
Vendors & Products Lmcache
Lmcache lmcache
References
Metrics cvssV2_0

{'score': 2.4, 'vector': 'AV:L/AC:H/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.6, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.6, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-06-04T17:28:11.271Z

Reserved: 2026-06-04T05:34:15.425Z

Link: CVE-2026-10813

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-06-04T16:16:32.883

Modified: 2026-06-04T16:32:40.690

Link: CVE-2026-10813

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-04T17:00:15Z

Weaknesses