OpenStack Mistral through 22.0.0 allows Arbitrary Remote Code Execution when the API is exposed. There are endpoints that allow code execution, which can lead to exfiltration of service credentials.

Last updated 6 June 2026

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:Date: June 03, 2026 :CVE: CVE-2026-41283

Affects ~~~~~~~ - Mistral: >=20.0.0 <20.1.1, ==21.0.0, ==22.0.0

Description ~~~~~~~~~~~ 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

-- Goutham Pacha Ravi OpenStack Vulnerability Management Team https://security.openstack.org/vmt.html