Source: mistral
Version: 20.0.0-2
Severity: serious
Tags: patch security
X-Debbugs-Cc: Debian Security Team <[email protected]>

Mistral is affected by CVE-2026-41283

Copying content of:
https://security.openstack.org/ossa/OSSA-2026-020.html

Date: June 03, 2026
CVE: CVE-2026-41283
Affects: Mistral: >=20.0.0 <20.1.1, ==21.0.0, ==22.0.0
Note from package maintainer: All versions from Bullseye to Trixie
Description:

Eduardo Gonzalez Gutierrez and Arnaud Morin (OVHcloud) reported that several
Mistral API endpoints do not enforce access policies, allowing any
authenticated user to create public resources and upload arbitrary code that
executes on Mistral executor workers. An attacker could extract sensitive data
including service credentials from the worker. Deployments exposing the Mistral
API are affected.

Patches:
    https://review.opendev.org/991416 (2025.1/epoxy)
    https://review.opendev.org/991417 (2025.1/epoxy)
    https://review.opendev.org/991418 (2025.1/epoxy)
    https://review.opendev.org/991419 (2025.1/epoxy)
    https://review.opendev.org/991420 (2025.1/epoxy)
    https://review.opendev.org/991421 (2025.1/epoxy)
    https://review.opendev.org/991422 (2025.1/epoxy)
    https://review.opendev.org/991423 (2025.1/epoxy)
    https://review.opendev.org/991408 (2025.2/flamingo)
    https://review.opendev.org/991409 (2025.2/flamingo)
    https://review.opendev.org/991410 (2025.2/flamingo)
    https://review.opendev.org/991411 (2025.2/flamingo)
    https://review.opendev.org/991412 (2025.2/flamingo)
    https://review.opendev.org/991413 (2025.2/flamingo)
    https://review.opendev.org/991414 (2025.2/flamingo)
    https://review.opendev.org/991415 (2025.2/flamingo)
    https://review.opendev.org/991400 (2026.1/gazpacho)
    https://review.opendev.org/991401 (2026.1/gazpacho)
    https://review.opendev.org/991402 (2026.1/gazpacho)
    https://review.opendev.org/991403 (2026.1/gazpacho)
    https://review.opendev.org/991404 (2026.1/gazpacho)
    https://review.opendev.org/991405 (2026.1/gazpacho)
    https://review.opendev.org/991406 (2026.1/gazpacho)
    https://review.opendev.org/991407 (2026.1/gazpacho)
    https://review.opendev.org/991392 (2026.2/hibiscus)
    https://review.opendev.org/991393 (2026.2/hibiscus)
    https://review.opendev.org/991394 (2026.2/hibiscus)
    https://review.opendev.org/991395 (2026.2/hibiscus)
    https://review.opendev.org/991396 (2026.2/hibiscus)
    https://review.opendev.org/991397 (2026.2/hibiscus)
    https://review.opendev.org/991398 (2026.2/hibiscus)
    https://review.opendev.org/991399 (2026.2/hibiscus)

Credits:
    Eduardo Gonzalez Gutierrez from Independent (CVE-2026-41283)
    Arnaud Morin from OVHcloud (CVE-2026-41283)

References:
    https://launchpad.net/bugs/2147178
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-41283

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