CVE-2026-84668

Estado: Pendiente de análisisAlta (8.8)—

Jenkins SAML Plugin 4.618.v441a_27fa_46d2 and earlier allows overwriting the SAML identity provider metadata file through Stapler data binding, allowing attackers to replace it with attacker-controlled content and authenticate as any user.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.42%
Percentil entre todas las CVEs puntuadas: 34
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement85 %
Impacto principalT1556 Modify Authentication Processdefense impairment · persistence · credential access90 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access85 %
Impacto secundarioT1565.001 Stored Data Manipulationimpact75 %

Acceso remoto autenticado (PR:L) permitiendo sobrescribir metadatos SAML para suplantar identidades y obtener acceso arbitrario a cualquier usuario (C:H/I:H/A:H). Requiere red y privilegios mínimos.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account Management User Account Management Restrict File and Directory Permissions Password Policies Multi-factor Authentication Application Developer Guidance

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Jenkins — Saml^AI Stapler — Stapler^AI

CWE

CWE-284

Referencias

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4065

JSON original (NVD)

Mostrar

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        "ssvcData": {
          "id": "CVE-2026-84668",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-02T16:59:27.676832Z"
        }
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 2.8
      }
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  "affected": [
    {
      "source": "jenkinsci-cert@googlegroups.com",
      "affectedData": [
        {
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          "product": "Jenkins SAML Plugin",
          "versions": [
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  "published": "2026-09-02T16:17:31.440",
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      "source": "jenkinsci-cert@googlegroups.com"
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  "lastModified": "2026-09-03T17:13:16.490",
  "sourceIdentifier": "jenkinsci-cert@googlegroups.com"
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