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
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.9Exploit: None knownExposed: 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 PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

June 4, 2026

Last Modified

July 22, 2026

Advisory Details (7)

Auto-updated Aug 20, 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-2026-41283 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

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.dev373 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) @ resolute2026-08-25ubuntu

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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
mistral11.0.0-2 ... 22.0.0~rc1-3 (46 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
mistral15.0.0-115.0.0-1+deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
mistral20.0.0-220.0.0-2+deb13u1—
PyPI(1)
PackageVulnerable rangeFixed inDependents
mistral21.0.0, 22.0.020.1.1—

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 23× in last 7d / 148× 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 475 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

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 1% probability of exploitation in the next 30 days, which ranks it in the top 48.4% of all scored CVEs.
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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