CVE-2026-41283

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-04. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.9Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
9.9
EG Score
9.9(medium)
EPSS
50.0%
KEV
Not listed

Published

June 4, 2026

Last Modified

July 8, 2026

Advisory Details (7)

Auto-updated Jul 8, 2026
Patch available. Sources: redhat.
redhat
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41283.json
redhat

2484607 – (CVE-2026-41283) CVE-2026-41283 openstack-mistral: OpenStack Mistral: Arbitrary Remote Code Execution via exposed API endpoints

https://bugzilla.redhat.com/show_bug.cgi?id=2484607
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-41283
generic

oss-security - [OSSA-2026-020] OpenStack Mistral: Mistral policy enforcement bypass allows unauthorized public resource creation and arbitrary code execution (CVE-2026-41283)

http://www.openwall.com/lists/oss-security/2026/06/03/14
generic

oss-security - [OSSA-2026-020] OpenStack Mistral: Mistral policy enforcement bypass allows unauthorized public resource creation and arbitrary code execution (CVE-2026-41283)

https://www.openwall.com/lists/oss-security/2026/06/03/14
generic

OSSA-2026-020: Mistral policy enforcement bypass allows unauthorized public resource creation and arbitrary code execution — OpenStack Security Advisories 0.0.1.dev351 documentation

https://security.openstack.org/ossa/OSSA-2026-020.html
generic

Tags · openstack/mistral · GitHub

https://github.com/openstack/mistral/tags

Vendor Advisories for CVE-2026-41283(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython3-mistral (22.0.0-0ubuntu1.1) @ resolute2026-07-12ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 27× in last 7d / 332× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 453 total refreshes for this CVE.

  1. 2026-07-12 00:24 UTCEG score recompute
  2. 2026-07-12 00:24 UTCVendor advisory
  3. 2026-07-12 00:24 UTCGHSA enrichment
  4. 2026-07-11 20:26 UTCEG score recompute
  5. 2026-07-11 20:26 UTCVendor advisory
  6. 2026-07-11 20:26 UTCGHSA enrichment
  7. 2026-07-11 16:26 UTCEG score recompute
  8. 2026-07-11 16:26 UTCVendor advisory
  9. 2026-07-11 16:25 UTCGHSA enrichment
  10. 2026-07-11 12:29 UTCEG score recompute
  11. 2026-07-11 12:29 UTCVendor advisory
  12. 2026-07-11 12:29 UTCGHSA enrichment
  13. 2026-07-11 08:27 UTCEPSS rescore
  14. 2026-07-09 19:10 UTCEPSS rescore
  15. 2026-07-09 06:25 UTCEG score recompute
  16. 2026-07-09 06:25 UTCGHSA enrichment
  17. 2026-07-08 22:34 UTCEG score recompute
  18. 2026-07-08 22:34 UTCVendor advisory
  19. 2026-07-08 22:34 UTCGHSA enrichment
  20. 2026-07-08 16:16 UTCEG score recompute
  21. 2026-07-08 16:16 UTCGHSA enrichment
  22. 2026-07-08 15:15 UTCEPSS rescore
  23. 2026-07-07 13:46 UTCEPSS rescore
  24. 2026-07-06 16:27 UTCEPSS rescore
  25. 2026-07-06 16:27 UTCEPSS rescore
Show 75 more
  1. 2026-07-06 02:23 UTCEPSS rescore
  2. 2026-07-06 02:23 UTCEPSS rescore
  3. 2026-07-05 02:30 UTCEPSS rescore
  4. 2026-07-04 06:31 UTCEPSS rescore
  5. 2026-07-03 23:36 UTCEG score recompute
  6. 2026-07-03 23:36 UTCVendor advisory
  7. 2026-07-03 23:35 UTCGHSA enrichment
  8. 2026-07-03 19:33 UTCEG score recompute
  9. 2026-07-03 19:33 UTCVendor advisory
  10. 2026-07-03 19:33 UTCGHSA enrichment
  11. 2026-07-03 02:20 UTCEG score recompute
  12. 2026-07-03 02:20 UTCVendor advisory
  13. 2026-07-03 02:20 UTCGHSA enrichment
  14. 2026-07-02 22:03 UTCEG score recompute
  15. 2026-07-02 22:03 UTCVendor advisory
  16. 2026-07-02 22:03 UTCGHSA enrichment
  17. 2026-07-02 18:23 UTCEG score recompute
  18. 2026-07-02 18:23 UTCVendor advisory
  19. 2026-07-02 18:23 UTCGHSA enrichment
  20. 2026-07-02 13:59 UTCEG score recompute
  21. 2026-07-02 13:59 UTCVendor advisory
  22. 2026-07-02 13:59 UTCGHSA enrichment
  23. 2026-07-02 10:19 UTCEG score recompute
  24. 2026-07-02 10:19 UTCVendor advisory
  25. 2026-07-02 10:19 UTCGHSA enrichment
  26. 2026-07-02 06:39 UTCEG score recompute
  27. 2026-07-02 06:39 UTCVendor advisory
  28. 2026-07-02 06:39 UTCGHSA enrichment
  29. 2026-07-02 02:57 UTCEG score recompute
  30. 2026-07-02 02:57 UTCVendor advisory
  31. 2026-07-02 02:57 UTCGHSA enrichment
  32. 2026-07-01 23:18 UTCEG score recompute
  33. 2026-07-01 23:18 UTCVendor advisory
  34. 2026-07-01 23:18 UTCGHSA enrichment
  35. 2026-07-01 19:36 UTCEG score recompute
  36. 2026-07-01 19:36 UTCVendor advisory
  37. 2026-07-01 19:36 UTCGHSA enrichment
  38. 2026-07-01 15:26 UTCEG score recompute
  39. 2026-07-01 15:26 UTCVendor advisory
  40. 2026-07-01 15:25 UTCGHSA enrichment
  41. 2026-07-01 15:06 UTCEPSS rescore
  42. 2026-07-01 11:39 UTCEG score recompute
  43. 2026-07-01 11:39 UTCVendor advisory
  44. 2026-07-01 11:39 UTCGHSA enrichment
  45. 2026-07-01 08:00 UTCEG score recompute
  46. 2026-07-01 08:00 UTCVendor advisory
  47. 2026-07-01 08:00 UTCGHSA enrichment
  48. 2026-07-01 01:28 UTCEG score recompute
  49. 2026-07-01 01:28 UTCVendor advisory
  50. 2026-07-01 01:28 UTCGHSA enrichment
  51. 2026-06-30 23:22 UTCEPSS rescore
  52. 2026-06-30 21:43 UTCEG score recompute
  53. 2026-06-30 21:43 UTCVendor advisory
  54. 2026-06-30 21:43 UTCGHSA enrichment
  55. 2026-06-30 08:15 UTCEG score recompute
  56. 2026-06-30 08:15 UTCVendor advisory
  57. 2026-06-30 08:15 UTCGHSA enrichment
  58. 2026-06-30 02:51 UTCEG score recompute
  59. 2026-06-30 02:51 UTCVendor advisory
  60. 2026-06-30 02:51 UTCGHSA enrichment
  61. 2026-06-29 23:10 UTCEG score recompute
  62. 2026-06-29 23:10 UTCVendor advisory
  63. 2026-06-29 23:10 UTCGHSA enrichment
  64. 2026-06-29 19:27 UTCEG score recompute
  65. 2026-06-29 19:27 UTCVendor advisory
  66. 2026-06-29 19:27 UTCGHSA enrichment
  67. 2026-06-29 14:08 UTCEG score recompute
  68. 2026-06-29 14:08 UTCVendor advisory
  69. 2026-06-29 14:08 UTCGHSA enrichment
  70. 2026-06-29 14:06 UTCEPSS rescore
  71. 2026-06-29 10:28 UTCEG score recompute
  72. 2026-06-29 10:28 UTCVendor advisory
  73. 2026-06-29 10:28 UTCGHSA enrichment
  74. 2026-06-29 02:23 UTCEG score recompute
  75. 2026-06-29 02:23 UTCVendor advisory

Frequently asked(5)

What is CVE-2026-41283?
CVE-2026-41283 is a critical vulnerability published on June 4, 2026. 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.
When was CVE-2026-41283 disclosed?
CVE-2026-41283 was first published in the National Vulnerability Database on June 4, 2026, with the most recent update on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41283 actively exploited?
CVE-2026-41283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41283?
CVE-2026-41283 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-41283?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41283, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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