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 — 3 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)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity99% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
50.5%
KEV
Not listed

Published

June 4, 2026

Last Modified

July 22, 2026

Advisory Details (7)

Auto-updated Jul 16, 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) @ resolute2026-07-16ubuntu

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.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
mistral20.0.0, 20.1.020.1.1—

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 10× in last 7d / 156× 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 319 total refreshes for this CVE.

  1. 2026-07-23 03:11 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:31 UTCEPSS rescore
  6. 2026-07-19 02:29 UTCEPSS rescore
  7. 2026-07-18 10:04 UTCEPSS rescore
  8. 2026-07-16 17:03 UTCEPSS rescore
  9. 2026-07-16 09:56 UTCVendor advisory
  10. 2026-07-16 05:58 UTCVendor advisory
  11. 2026-07-16 00:25 UTCVendor advisory
  12. 2026-07-15 16:57 UTCEPSS rescore
  13. 2026-07-15 16:57 UTCEPSS rescore
  14. 2026-07-15 02:00 UTCEPSS rescore
  15. 2026-07-14 21:31 UTCVendor advisory
  16. 2026-07-14 16:45 UTCGHSA enrichment
  17. 2026-07-14 13:03 UTCGHSA enrichment
  18. 2026-07-14 03:25 UTCGHSA enrichment
  19. 2026-07-13 22:30 UTCEPSS rescore
  20. 2026-07-13 06:13 UTCEPSS rescore
  21. 2026-07-13 06:13 UTCEPSS rescore
  22. 2026-07-12 05:46 UTCEPSS rescore
  23. 2026-07-12 00:24 UTCVendor advisory
  24. 2026-07-12 00:24 UTCGHSA enrichment
  25. 2026-07-11 20:26 UTCVendor advisory
Show 75 more
  1. 2026-07-11 20:26 UTCGHSA enrichment
  2. 2026-07-11 16:26 UTCVendor advisory
  3. 2026-07-11 16:25 UTCGHSA enrichment
  4. 2026-07-11 12:29 UTCVendor advisory
  5. 2026-07-11 12:29 UTCGHSA enrichment
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-09 19:10 UTCEPSS rescore
  8. 2026-07-09 06:25 UTCGHSA enrichment
  9. 2026-07-08 22:34 UTCVendor advisory
  10. 2026-07-08 22:34 UTCGHSA enrichment
  11. 2026-07-08 16:16 UTCGHSA enrichment
  12. 2026-07-08 15:15 UTCEPSS rescore
  13. 2026-07-07 13:46 UTCEPSS rescore
  14. 2026-07-06 16:27 UTCEPSS rescore
  15. 2026-07-06 16:27 UTCEPSS rescore
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-06 02:23 UTCEPSS rescore
  18. 2026-07-05 02:30 UTCEPSS rescore
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-03 23:36 UTCVendor advisory
  21. 2026-07-03 23:35 UTCGHSA enrichment
  22. 2026-07-03 19:33 UTCVendor advisory
  23. 2026-07-03 19:33 UTCGHSA enrichment
  24. 2026-07-03 02:20 UTCVendor advisory
  25. 2026-07-03 02:20 UTCGHSA enrichment
  26. 2026-07-02 22:03 UTCVendor advisory
  27. 2026-07-02 22:03 UTCGHSA enrichment
  28. 2026-07-02 18:23 UTCVendor advisory
  29. 2026-07-02 18:23 UTCGHSA enrichment
  30. 2026-07-02 13:59 UTCVendor advisory
  31. 2026-07-02 13:59 UTCGHSA enrichment
  32. 2026-07-02 10:19 UTCVendor advisory
  33. 2026-07-02 10:19 UTCGHSA enrichment
  34. 2026-07-02 06:39 UTCVendor advisory
  35. 2026-07-02 06:39 UTCGHSA enrichment
  36. 2026-07-02 02:57 UTCVendor advisory
  37. 2026-07-02 02:57 UTCGHSA enrichment
  38. 2026-07-01 23:18 UTCVendor advisory
  39. 2026-07-01 23:18 UTCGHSA enrichment
  40. 2026-07-01 19:36 UTCVendor advisory
  41. 2026-07-01 19:36 UTCGHSA enrichment
  42. 2026-07-01 15:26 UTCVendor advisory
  43. 2026-07-01 15:25 UTCGHSA enrichment
  44. 2026-07-01 15:06 UTCEPSS rescore
  45. 2026-07-01 11:39 UTCVendor advisory
  46. 2026-07-01 11:39 UTCGHSA enrichment
  47. 2026-07-01 08:00 UTCVendor advisory
  48. 2026-07-01 08:00 UTCGHSA enrichment
  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 UTCVendor advisory
  53. 2026-06-30 21:43 UTCGHSA enrichment
  54. 2026-06-30 08:15 UTCVendor advisory
  55. 2026-06-30 08:15 UTCGHSA enrichment
  56. 2026-06-30 02:51 UTCVendor advisory
  57. 2026-06-30 02:51 UTCGHSA enrichment
  58. 2026-06-29 23:10 UTCVendor advisory
  59. 2026-06-29 23:10 UTCGHSA enrichment
  60. 2026-06-29 19:27 UTCVendor advisory
  61. 2026-06-29 19:27 UTCGHSA enrichment
  62. 2026-06-29 14:08 UTCVendor advisory
  63. 2026-06-29 14:08 UTCGHSA enrichment
  64. 2026-06-29 14:06 UTCEPSS rescore
  65. 2026-06-29 10:28 UTCVendor advisory
  66. 2026-06-29 10:28 UTCGHSA enrichment
  67. 2026-06-29 02:23 UTCVendor advisory
  68. 2026-06-29 02:23 UTCGHSA enrichment
  69. 2026-06-28 22:43 UTCGHSA enrichment
  70. 2026-06-28 19:03 UTCVendor advisory
  71. 2026-06-28 19:03 UTCGHSA enrichment
  72. 2026-06-28 15:24 UTCVendor advisory
  73. 2026-06-28 15:24 UTCGHSA enrichment
  74. 2026-06-28 14:07 UTCEPSS rescore
  75. 2026-06-28 11:35 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 22, 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 50.5% 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.

Dependency Blast Radius

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