CVE-2026-41076

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{"affected": [{"affectedData": [{"product": "rt", "vendor": "bestpractical", "versions": [{"status": "affected", "version": "< 5.0.10"}, {"status": "affected", "version": ">= 6.0.0, < 6.0.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "RT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.9 and prior in addition to 6.0.0 through 6.0.2 contain an authentication bypass vulnerability in RT installations that use LDAP/AD for user authentication. Under certain LDAP server configurations, an attacker may be able to authenticate as any LDAP-backed RT user without supplying valid credentials. This issue has been fixed in versions 5.0.10 and 6.0.3. If developers are unable to upgrade immediately, they can temporarily work around this issue by reviewing their LDAP server's authentication policy to ensure it rejects unauthenticated bind attempts. Upgrading RT remains the recommended fix."}, {"lang": "es", "value": "RT es un sistema de seguimiento de problemas y tickets de c\u00f3digo abierto, de nivel empresarial. Las versiones 5.0.9 y anteriores, adem\u00e1s de la 6.0.0 hasta la 6.0.2, contienen una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n en instalaciones de RT que utilizan LDAP/AD para la autenticaci\u00f3n de usuarios. Bajo ciertas configuraciones de servidor LDAP, un atacante podr\u00eda autenticarse como cualquier usuario de RT respaldado por LDAP sin proporcionar credenciales v\u00e1lidas. Este problema ha sido solucionado en las versiones 5.0.10 y 6.0.3. Si los desarrolladores no pueden actualizar de inmediato, pueden solucionar temporalmente este problema revisando la pol\u00edtica de autenticaci\u00f3n de su servidor LDAP para asegurarse de que rechace los intentos de enlace no autenticados. Actualizar RT sigue siendo la soluci\u00f3n recomendada."}], "id": "CVE-2026-41076", "lastModified": "2026-07-23T11:10:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-41076", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-27T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-05-22T22:16:56.090", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/bestpractical/rt/releases/tag/rt-5.0.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/bestpractical/rt/releases/tag/rt-6.0.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/bestpractical/rt/security/advisories/GHSA-3w28-fmcr-mjjx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.0.10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.0.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "rt", "source": "cna", "vendor": "bestpractical"}, "product": "rt", "vendor": "bestpractical"}], "created": "2026-05-22T23:30:03.638388+00:00", "updated": "2026-05-22T23:30:03.894901+00:00", "vendors": ["bestpractical", "bestpractical$PRODUCT$rt"]}