CVE & CISA-KEV Catalog

CVE-2026-41283

CRITICAL
9.9
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
mistralDebian
Fixed in:15.0.0-1+deb12u1CVE-2026-41283
Fixed in:20.0.0-2+deb13u1CVE-2026-41283
mistralUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1
mistral-apiUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1
mistral-commonUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1
mistral-engineUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1
mistral-event-engineUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1
mistral-executorUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1
python3-mistralUbuntu
Fixed in:14.0.0-0ubuntu1.1USN-8422-1
Fixed in:18.0.1-0ubuntu1.1USN-8422-1
Fixed in:21.0.0-0ubuntu1.1USN-8422-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

0.73%probability of exploitation in 30 days
51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-22518Critical9.8100%KEV + RansomFix
CVE-2023-38035Critical9.8100%KEV + Ransom-
CVE-2022-46169Critical9.8100%KEVFix
CVE-2024-38856Critical9.899%KEVFix
CVE-2025-29927Critical9.199%-Fix
CVE-2020-36289Medium5.399%-Fix

Common questions

How do I fix CVE-2026-41283?

Published advisories record a fix for 8 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-41283 being actively exploited?

Not that we know of. CVE-2026-41283 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.73% is the estimated probability that it will be exploited in the next 30 days. That is higher than 51% of all scored CVEs.

How severe is CVE-2026-41283?

CVE-2026-41283 has a CVSS v3 base score of 9.9, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-41283 affect?

Published advisories record a fix for mistral (Debian), mistral (Ubuntu), mistral-api (Ubuntu), mistral-common (Ubuntu), and 4 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-22.