FKIE_CVE-2026-39852

Vulnerability from fkie_nvd - Published: 2026-05-05 21:16 - Updated: 2026-06-30 03:19
Severity
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Summary
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.
References
security-advisories@github.comhttps://github.com/quarkusio/quarkus/security/advisories/GHSA-rc95-pcm8-65v9Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:11720
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:11721
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:13631
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:17789
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:25089
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/security/cve/CVE-2026-39852
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://bugzilla.redhat.com/show_bug.cgi?id=2457819
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39852.json
Impacted products
Vendor Product Version
quarkus quarkus *
quarkus quarkus *
quarkus quarkus *
quarkus quarkus *
quarkus quarkus *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "quarkus",
          "vendor": "quarkusio",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.20.6.1"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.27.3.0, \u003c 3.27.3.1"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.34.0, \u003c 3.34.7"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.35.0, \u003c 3.35.2"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    },
    {
      "affectedData": [
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            "cpe:/a:redhat:cryostat:4::el9"
          ],
          "defaultStatus": "affected",
          "product": "Cryostat 4 on RHEL 9",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:apache_camel_hawtio:4.4::el9"
          ],
          "defaultStatus": "affected",
          "product": "HawtIO HawtIO 4.4.0",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:apache_camel_quarkus:3.27"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat Build of Apache Camel 4.14 for Quarkus 3.27",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:quarkus:3.20::el8"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat build of Quarkus 3.20.6.SP1",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:quarkus:3.27::el8"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat build of Quarkus 3.27.3.SP1",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:serverless:1"
          ],
          "defaultStatus": "affected",
          "product": "OpenShift Serverless",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:camel_quarkus:3"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat build of Apache Camel 4 for Quarkus 3",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:service_registry:2"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat build of Apicurio Registry 2",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:apicurio_registry:3"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat build of Apicurio Registry 3",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:debezium:3"
          ],
          "defaultStatus": "affected",
          "product": "Red Hat build of Debezium 3",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:optaplanner:::el6"
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          "defaultStatus": "affected",
          "product": "Red Hat build of OptaPlanner 8",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
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          ],
          "defaultStatus": "affected",
          "product": "Red Hat OpenShift AI (RHOAI)",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:jboss_enterprise_bpms_platform:7"
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          "defaultStatus": "affected",
          "product": "Red Hat Process Automation 7",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:amq_streams:2"
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          "product": "streams for Apache Kafka 2",
          "vendor": "Red Hat"
        },
        {
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          ],
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          "product": "streams for Apache Kafka 3",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:build_keycloak:"
          ],
          "defaultStatus": "unaffected",
          "product": "Red Hat Build of Keycloak",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
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          ],
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          "product": "Red Hat Fuse 7",
          "vendor": "Red Hat"
        },
        {
          "cpes": [
            "cpe:/a:redhat:jbosseapxp"
          ],
          "defaultStatus": "unaffected",
          "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
          "vendor": "Red Hat"
        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "E5AE56EF-94DF-4552-B4E4-B72B532DE04C",
              "versionEndExcluding": "3.20.6.1",
              "vulnerable": true
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              "vulnerable": true
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              "versionEndExcluding": "3.33.1.1",
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              "vulnerable": true
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              "versionEndExcluding": "3.34.7",
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            {
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              "versionEndExcluding": "3.35.2",
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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\u0027s security layer performs authorization checks on the raw URL path which preserves matrix parameters (semicolons), while RESTEasy Reactive\u0027s 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": "2026-06-30T03:19:07.443",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
          "version": "3.1"
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        "source": "nvd@nist.gov",
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          "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",
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          "role": "CISA Coordinator",
          "timestamp": "2026-05-06T12:53:24.440906Z",
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  "published": "2026-05-05T21:16:22.823",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-551"
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  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.