CVE-2026-27100

{"id": "CVE-2026-27100", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2026-02-18T15:18:43.967", "references": [{"url": "https://www.jenkins.io/security/advisory/2026-02-18/#SECURITY-3658", "tags": ["Vendor Advisory"], "source": "jenkinsci-cert@googlegroups.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name."}, {"lang": "es", "value": "Jenkins 2.550 y anteriores, LTS 2.541.1 y anteriores acepta valores de par\u00e1metros de ejecuci\u00f3n que hacen referencia a compilaciones a las que el usuario que env\u00eda la compilaci\u00f3n no tiene acceso, permitiendo a atacantes con permiso de Elemento/Compilaci\u00f3n y Elemento/Configurar obtener informaci\u00f3n sobre la existencia de trabajos, la existencia de compilaciones, y si una compilaci\u00f3n especificada existe, su nombre de visualizaci\u00f3n."}], "lastModified": "2026-02-20T20:53:16.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "1BA732A2-5EA7-4C70-AF40-4E696689C4F7", "versionEndExcluding": "2.541.2"}, {"criteria": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "2D2F2C2E-E436-4367-B067-C8E6CE7ECBD8", "versionEndExcluding": "2.551"}], "operator": "OR"}]}], "sourceIdentifier": "jenkinsci-cert@googlegroups.com"}