Incorrect authorization in OpenStack Mistral
Priority MEDIUM 44CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00733 54th percentileScored 2026-11-07
Fix Fixed Mistral (OpenStack): 20.1.1mistral (PyPI): 20.1.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenStack | Mistral | 20.0.0 to before 20.1.1; 21.0.0; 22.0.0 | 20.1.1 | Patch available | CNA |
| — | mistral (PyPI) | 20.0.0 to before 20.1.1 | 20.1.1 | Patch available | GHSA-9hfw-w3f4-c4p8 |
| — | mistral (PyPI) | — | — | No fix listed | GHSA-9hfw-w3f4-c4p8 |
| — | mistral (PyPI) | — | — | No fix listed | GHSA-9hfw-w3f4-c4p8 |
- Mistral VendorOpenStack Affected 20.0.0 to before 20.1.1; 21.0.0; 22.0.0 Fixed in 20.1.1 Patch available CNA
- mistral (PyPI) Vendor— Affected 20.0.0 to before 20.1.1 Fixed in 20.1.1 Patch available GHSA-9hfw-w3f4-c4p8
- mistral (PyPI) Vendor— Affected — Fixed in — No fix listed GHSA-9hfw-w3f4-c4p8
- mistral (PyPI) Vendor— Affected — Fixed in — No fix listed GHSA-9hfw-w3f4-c4p8
Remediation
- Fix · CNA Mistral (OpenStack) Fixed in 20.1.1
- Fix · GHSA-9hfw-w3f4-c4p8 mistral (PyPI) Fixed in 20.1.1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat OpenStack Platform 16.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41283
- 2026-10-03 Alias added: GHSA-9hfw-w3f4-c4p8
References
Other 8
- https://github.com/openstack/mistral/tags
- https://www.openwall.com/lists/oss-security/2026/06/03/14
- https://security.openstack.org/ossa/OSSA-2026-020.html
- https://access.redhat.com/security/cve/CVE-2026-41283
- https://bugzilla.redhat.com/show_bug.cgi?id=2484607
- https://github.com/openstack/mistral
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41283.json
- http://www.openwall.com/lists/oss-security/2026/06/03/14
More OpenStack vulnerabilities
- TI-2026-78562 Incorrect authorization in OpenStack Manila share operations CVSS 3.1CRITICAL 9.9
- TI-2026-63467 Code injection in OpenStack Octavia CVSS 4.0CRITICAL 9.4
- TI-2017-13226 The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before… CVSS 3.1CRITICAL 9.8
- TI-2026-69629 OpenStack Mistral flaw lets users change other projects' resources CVSS 4.0HIGH 7.2
- TI-2026-69623 Command injection in OpenStack Mistral std.ssh_proxied action CVSS 4.0HIGH 8.7
- TI-2022-17779 Improper privilege management in OpenStack CVSS 3.1HIGH 8.8
Sources
- CVE-2026-41283 · CVE Program
- CVE-2026-41283 · NVD
- FIRST EPSS
- GHSA-9hfw-w3f4-c4p8 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-41283 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences