CVE-2026-6266

HIGHPre-NVD 8.38.3—
EchelonGraph scoreMEDIUM confidence

Score 8.3 from GitHub Security Advisory (severity: HIGH) published 2026-05-04. NVD baseline CVSS 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.3Exploit: NoneExposed: 0

A fix is available — apply it.

A flaw was found in the AAP gateway. The user auto-link strategy, introduced in AAP 2.6, automatically links an external Identity Provider (IDP) identity to an existing AAP user account based on email matching without verifying email ownership. This allows a remote attacker to potentially hijack a victim's account or gain unauthorized access to other accounts, including administrative accounts, by manipulating the IDP-provided email.

CVSS v3
8.3
EG Score
8.3(medium)
EPSS
32.3%
KEV
Not listed

Published

May 4, 2026

Last Modified

July 15, 2026

Advisory Details (3)

Auto-updated May 4, 2026
Patch available. Sources: redhat.
redhat Patch Available

2458142 – (CVE-2026-6266) CVE-2026-6266 aap-controller: aap-gateway: Account hijacking and unauthorized access via unverified email linking

https://bugzilla.redhat.com/show_bug.cgi?id=2458142
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-6266
redhat Patch Available
https://access.redhat.com/errata/RHSA-2026:13508

Vendor Advisories for CVE-2026-6266(4)

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

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpython3.12-django-ansible-base-0:2.5.20260422-2.el9ap2026-05-04redhat
redhatpython3.12-django-ansible-base-0:2.6.20260422-1.el9ap2026-05-04redhat
redhatansible-automation-platform-26/gateway-rhel9:17773111202026-05-04redhat

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(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 42× 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 136 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-6266?
CVE-2026-6266 is a high vulnerability published on May 4, 2026. A flaw was found in the AAP gateway. The user auto-link strategy, introduced in AAP 2.6, automatically links an external Identity Provider (IDP) identity to an existing AAP user account based on email matching without verifying email ownership. This allows a remote attacker to potentially hijack a…
When was CVE-2026-6266 disclosed?
CVE-2026-6266 was first published in the National Vulnerability Database on May 4, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6266 actively exploited?
CVE-2026-6266 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6266?
CVE-2026-6266 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-6266?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6266, 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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