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
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.9%CVSS: 9.9Exploit: None knownExposed services: Not assessed

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
9.9CRITICALmedium confidence
EG Risk
45
EG Risk 45/100

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%
EPSS PROB
0.9%
EPSS %ILE
58th
KEV
Not listed

Published

June 4, 2026

Last Modified

July 22, 2026

Advisory Details (7)

Auto-updated Oct 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
redhatMentions a patch (unverified)

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.dev401 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 / EcosystemFix (by version range) / PatchReleasedSource
ubuntupython3-mistral (22.0.0-0ubuntu1.1) @ resolute2026-09-14ubuntu

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 rangeFix by version rangeDependents
mistral11.0.0-2 ... 22.0.0~rc1-3 (46 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
mistral15.0.0-1
  • every version up to 15.0.0-1+deb12u1: fixed in 15.0.0-1+deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
mistral20.0.0-2
  • every version up to 20.0.0-2+deb13u1: fixed in 20.0.0-2+deb13u1
—
PyPI(1)
PackageVulnerable rangeFix by version rangeDependents
mistral21.0.0, 22.0.0
  • 20.0.0 up to 20.1.1: fixed in 20.1.1
—

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 7× in last 7d / 27× 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 515 total refreshes for this CVE.

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

Related CVEs(same product + same CWE)

Same product

3 shown

PyPI:mistral · Debian:11:mistral

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 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 0.9% probability of exploitation in the next 30 days (58th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-41283?
CVE-2026-41283 has a CVSS base score of 9.9 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-41283?
A fix for CVE-2026-41283 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-41283 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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