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CVE-2026-19621

CVE-2026-19621 · Mattermost leaks interactive-message integration secrets to non-admin users via post-deletion events and thread reads

Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.

Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to strip action integration secrets from post payloads before broadcasting post-deletion web socket events and returning thread API responses, which allows an authenticated channel member to obtain server-side webhook URLs and authentication context from interactive-message posts via the post_deleted websocket event or the threads REST API.. Mattermost Advisory ID: MMSA-2026-00766

CVSS 6.5 · Media · EPSS 0,2%

Publicación
Actualización

Productos y versiones afectados

  • mattermost

    Versiones
    • ≥ 11.10.0, ≤ 11.10.0: Afectada (semver)
    • ≥ 11.7.0, ≤ 11.7.9: Afectada (semver)
    • ≥ 11.9.0, ≤ 11.9.1: Afectada (semver)
    • ≥ 11.8.0, ≤ 11.8.5: Afectada (semver)
    • 11.11.0: No afectada
    • 11.10.1: No afectada
    • 11.7.10: No afectada
    • 11.9.2: No afectada
    • 11.8.6: No afectada

    Sin corrección publicada

Fuentes originales

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