{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-39852", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-07T19:13:20.378Z", "datePublished": "2026-05-05T20:58:29.575Z", "dateUpdated": "2026-05-05T20:58:29.575Z"}, "containers": {"cna": {"title": "Quarkus authorization bypass via semicolon path normalization inconsistency", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9"}], "affected": [{"vendor": "quarkusio", "product": "quarkus", "versions": [{"version": "< 3.20.6.1", "status": "affected"}, {"version": ">= 3.27.3.0, < 3.27.3.1", "status": "affected"}, {"version": ">= 3.34.0, < 3.34.7", "status": "affected"}, {"version": ">= 3.35.0, < 3.35.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-05T20:58:29.575Z"}, "descriptions": [{"lang": "en", "value": "Quarkus is a Java framework for building cloud-native applications. In versions prior to 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2, a path normalization inconsistency between the security layer and the routing layer allows unauthenticated or lower-privileged users to bypass HTTP path-based authorization policies. Quarkus's security layer performs authorization checks on the raw URL path which preserves matrix parameters (semicolons), while RESTEasy Reactive's routing layer strips matrix parameters before matching endpoints. An attacker can append a semicolon and arbitrary text to a request URL (e.g., /api/admin;anything) to bypass policies protecting /api/admin while still routing to the protected endpoint. This issue has been fixed in versions 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2."}], "source": {"advisory": "GHSA-rc95-pcm8-65v9", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Quarkus is a Java framework for building cloud-native applications. In versions prior to 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2, a path normalization inconsistency between the security layer and the routing layer allows unauthenticated or lower-privileged users to bypass HTTP path-based authorization policies. Quarkus's security layer performs authorization checks on the raw URL path which preserves matrix parameters (semicolons), while RESTEasy Reactive's routing layer strips matrix parameters before matching endpoints. An attacker can append a semicolon and arbitrary text to a request URL (e.g., /api/admin;anything) to bypass policies protecting /api/admin while still routing to the protected endpoint. This issue has been fixed in versions 3.20.6.1, 3.27.3.1, 3.33.1.1, 3.35.1.1, 3.34.7, and 3.35.2."}], "id": "CVE-2026-39852", "lastModified": "2026-05-05T21:16:22.823", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-05T21:16:22.823", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2026:13631", "cpe": "cpe:/a:redhat:apache_camel_quarkus:3.27", "package": "quarkus-vertx-http", "product_name": "Red Hat Build of Apache Camel 4.14 for Quarkus 3.27", "release_date": "2026-05-05T00:00:00Z"}, {"advisory": "RHSA-2026:11720", "cpe": "cpe:/a:redhat:quarkus:3.20::el8", "package": "quarkus-vertx-http", "product_name": "Red Hat build of Quarkus 3.20.6.SP1", "release_date": "2026-05-05T00:00:00Z"}, {"advisory": "RHSA-2026:11721", "cpe": "cpe:/a:redhat:quarkus:3.27::el8", "product_name": "Red Hat build of Quarkus 3.27.3.SP1", "release_date": "2026-05-05T00:00:00Z"}], "bugzilla": {"description": "io.quarkus:quarkus-vertx-http: io.quarkus:quarkus-vertx-http: Authorization bypass via semicolons in HTTP requests", "id": "2457819", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457819"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "verified"}, "cwe": "CWE-551", "details": ["A flaw was found in io.quarkus:quarkus-vertx-http. A remote attacker can exploit an authorization bypass vulnerability by including semicolons, also known as matrix parameters, in HTTP requests. This allows bypassing path-based HTTP security policies, enabling unauthorized access to protected endpoints. The vulnerability arises because Quarkus's security layer performs authorization checks on the raw URL path, which preserves these matrix parameters."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, configure a reverse proxy or load balancer in front of the Quarkus application to normalize incoming URL paths by stripping matrix parameters (semicolons) before requests reach the Quarkus security layer. This ensures that authorization checks are performed on the intended path. Ensure that any changes to proxy configurations are thoroughly tested and services are reloaded or restarted as necessary to apply the new settings."}, "name": "CVE-2026-39852", "package_state": [{"cpe": "cpe:/a:redhat:cryostat:4", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Cryostat 4"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-ddb-streams-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-s3-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-s3-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-sns-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-sqs-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-aws-sqs-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-log-sink-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-eventing-integrations-timer-source-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:apache_camel_hawtio:4", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of Apache Camel - HawtIO 4"}, {"cpe": "cpe:/a:redhat:service_registry:2", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of Apicurio Registry 2"}, {"cpe": "cpe:/a:redhat:apicurio_registry:3", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of Apicurio Registry 3"}, {"cpe": "cpe:/a:redhat:debezium:2", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of Debezium 2"}, {"cpe": "cpe:/a:redhat:debezium:3", "fix_state": "Will not fix", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of Debezium 3"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Not affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:optaplanner:::el6", "fix_state": "Will not fix", "package_name": "quarkus-vertx-http", "product_name": "Red Hat build of OptaPlanner 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Not affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-trustyai-service-rhel8", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Affected", "package_name": "rhoai/odh-trustyai-service-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:amq_streams:2", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "streams for Apache Kafka 2"}, {"cpe": "cpe:/a:redhat:amq_streams:3", "fix_state": "Affected", "package_name": "quarkus-vertx-http", "product_name": "streams for Apache Kafka 3"}], "public_date": "2026-05-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-39852\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-39852\nhttps://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9"], "threat_severity": "Important"}

{"created": "2026-05-05T22:30:33.618430+00:00", "updated": "2026-05-05T22:30:33.618441+00:00", "vendors": []}