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CVE-2026-40042

Estado: AplazadaCrítica (9.3)—

Pachno 1.0.6 contains an XML external entity injection vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting unsafe XML parsing in the TextParser helper. Attackers can inject malicious XML entities through wiki table syntax and inline tags in issue descriptions, comments, and wiki articles to trigger entity resolution via simplexml_load_string() without LIBXML_NONET restrictions.

CVSS

Probabilidad de explotación (EPSS)

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.

XXE sin autenticación en aplicación web expuesta (AV:N PR:N). Lectura de archivos arbitrarios vía simplexml_load_string sin restricciones LIBXML_NONET (T1005). Potencial acceso a archivos sensibles del sistema (T1552.007).

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 ManagementNetwork SegmentationLimit Access to Resource Over NetworkVulnerability ScanningUser Account ManagementFilter Network Traffic

Tecnologías afectadas (1)

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

Pachno — PachnoAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-40042",
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          "id": "CVE-2026-40042",
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          "options": [
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              "exploitation": "none"
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              "technicalImpact": "total"
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          "version": "2.0.3",
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          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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  "published": "2026-04-13T19:16:51.960",
  "references": [
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      "url": "https://www.vulncheck.com/advisories/pachno-wiki-textparser-xml-external-entity-injection",
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      "url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2026-5984.php",
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  ],
  "lastModified": "2026-06-17T10:44:39.453",
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