CVE-2026-33211

Estado: ModificadaCrítica (9.6)—
Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Starting in version 1.0.0 and prior to versions 1.0.1, 1.3.3, 1.6.1, 1.9.2, and 1.10.2, the Tekton Pipelines git resolver is vulnerable to path traversal via the `pathInRepo` parameter. A tenant with permission to create `ResolutionRequests` (e.g. by creating `TaskRuns` or `PipelineRuns` that use the git resolver) can read arbitrary files from the resolver pod's filesystem, including ServiceAccount tokens. The file contents are returned base64-encoded in `resolutionrequest.status.data`. Versions 1.0.1, 1.3.3, 1.6.1, 1.9.2, and 1.10.2 contain a patch.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Puntuación base: 9.6
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.70%
Percentil entre todas las CVEs puntuadas: 52
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 movement90 %
Impacto principalT1005 Data from Local Systemcollection95 %
Impacto secundarioT1552.007 Container APIcredential access90 %
Acceso remoto a servicios Kubernetes con privilegios (PR:L) por path traversal en git resolver. Lectura de archivos arbitrarios incluyendo tokens de ServiceAccount del pod.
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 Network Segmentation Vulnerability Scanning User Account Management Threat Intelligence Program Limit Access to Resource Over Network
Tecnologías afectadas (1)

Linuxfoundation — Tekton Pipelines
CWE

CWE-22
CWE-22
Referencias

JSON original (NVD)

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      "description": [
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      "lang": "en",
      "value": "Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Starting in version 1.0.0 and prior to versions 1.0.1, 1.3.3, 1.6.1, 1.9.2, and 1.10.2, the Tekton Pipelines git resolver is vulnerable to path traversal via the `pathInRepo` parameter. A tenant with permission to create `ResolutionRequests` (e.g. by creating `TaskRuns` or `PipelineRuns` that use the git resolver) can read arbitrary files from the resolver pod's filesystem, including ServiceAccount tokens. The file contents are returned base64-encoded in `resolutionrequest.status.data`. Versions 1.0.1, 1.3.3, 1.6.1, 1.9.2, and 1.10.2 contain a patch."
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      "value": "El proyecto Tekton Pipelines proporciona recursos estilo k8s para declarar pipelines estilo CI/CD. A partir de la versión 1.0.0 y antes de las versiones 1.0.1, 1.3.3, 1.6.1, 1.9.2 y 1.10.2, el resolvedor git de Tekton Pipelines es vulnerable a salto de ruta a través del parámetro 'pathInRepo'. Un inquilino con permiso para crear 'ResolutionRequests' (por ejemplo, creando 'TaskRuns' o 'PipelineRuns' que usan el resolvedor git) puede leer archivos arbitrarios del sistema de archivos del pod del resolvedor, incluyendo tokens de ServiceAccount. El contenido del archivo se devuelve codificado en base64 en 'resolutionrequest.status.data'. Las versiones 1.0.1, 1.3.3, 1.6.1, 1.9.2 y 1.10.2 contienen un parche."
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  "lastModified": "2026-09-07T13:18:53.013",
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