CVE-2026-46745

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-05-26. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
43.4%
KEV
Not listed

Published

May 25, 2026

Last Modified

May 27, 2026

Advisory Details (3)

Auto-updated Jun 16, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

oss-security - CVE-2026-46745: Apache Airflow FAB provider: [ Security Report ] LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token (ZDRES-223)

http://www.openwall.com/lists/oss-security/2026/05/24/10
generic
https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
github_pr

fix: the ldap authentication handler in the flask-ap... in override.py

Fix merged in apache/airflow PR #66417 on 2026-05-07 — awaiting tagged release

https://github.com/apache/airflow/pull/66417

Vendor Advisories for CVE-2026-46745(1)

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

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
apache-airflow-providers-fab1.0.0 ... 3.6.4rc1 (106 versions)3.6.4—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 56× 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 113 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:16 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 06:31 UTCEPSS rescore
  9. 2026-07-01 15:07 UTCEPSS rescore
  10. 2026-06-30 23:22 UTCEPSS rescore
  11. 2026-06-29 14:06 UTCEPSS rescore
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-29 02:11 UTCEG score recompute
  14. 2026-06-29 02:11 UTCGHSA enrichment
  15. 2026-06-28 14:07 UTCEPSS rescore
  16. 2026-06-28 04:56 UTCEPSS rescore
  17. 2026-06-28 04:56 UTCEPSS rescore
  18. 2026-06-27 19:13 UTCEG score recompute
  19. 2026-06-27 19:13 UTCGHSA enrichment
  20. 2026-06-27 03:08 UTCEPSS rescore
  21. 2026-06-26 18:57 UTCEG score recompute
  22. 2026-06-26 18:57 UTCGHSA enrichment
  23. 2026-06-25 13:49 UTCEPSS rescore
  24. 2026-06-25 13:36 UTCEG score recompute
  25. 2026-06-25 13:36 UTCGHSA enrichment
Show 75 more
  1. 2026-06-24 14:05 UTCEPSS rescore
  2. 2026-06-23 21:33 UTCEPSS rescore
  3. 2026-06-23 21:33 UTCEPSS rescore
  4. 2026-06-22 14:25 UTCEPSS rescore
  5. 2026-06-22 14:25 UTCEPSS rescore
  6. 2026-06-21 14:56 UTCEPSS rescore
  7. 2026-06-21 14:56 UTCEPSS rescore
  8. 2026-06-21 01:59 UTCEPSS rescore
  9. 2026-06-21 01:59 UTCEPSS rescore
  10. 2026-06-19 19:26 UTCEPSS rescore
  11. 2026-06-19 19:26 UTCEPSS rescore
  12. 2026-06-18 17:52 UTCEPSS rescore
  13. 2026-06-18 17:52 UTCEPSS rescore
  14. 2026-06-17 19:38 UTCEG score recompute
  15. 2026-06-17 19:38 UTCGHSA enrichment
  16. 2026-06-17 17:53 UTCEPSS rescore
  17. 2026-06-16 20:40 UTCEG score recompute
  18. 2026-06-16 20:40 UTCGHSA enrichment
  19. 2026-06-16 17:53 UTCEPSS rescore
  20. 2026-06-15 22:40 UTCEG score recompute
  21. 2026-06-15 22:40 UTCGHSA enrichment
  22. 2026-06-15 17:49 UTCEPSS rescore
  23. 2026-06-14 19:33 UTCEG score recompute
  24. 2026-06-14 19:33 UTCGHSA enrichment
  25. 2026-06-13 23:00 UTCEPSS rescore
  26. 2026-06-13 21:38 UTCEG score recompute
  27. 2026-06-13 21:38 UTCGHSA enrichment
  28. 2026-06-12 23:22 UTCEG score recompute
  29. 2026-06-12 23:22 UTCGHSA enrichment
  30. 2026-06-12 23:12 UTCEPSS rescore
  31. 2026-06-12 23:12 UTCEPSS rescore
  32. 2026-06-12 01:26 UTCEG score recompute
  33. 2026-06-12 01:26 UTCGHSA enrichment
  34. 2026-06-11 14:00 UTCEPSS rescore
  35. 2026-06-11 03:31 UTCEG score recompute
  36. 2026-06-11 03:31 UTCGHSA enrichment
  37. 2026-06-10 22:18 UTCEPSS rescore
  38. 2026-06-10 13:22 UTCEPSS rescore
  39. 2026-06-10 13:22 UTCEPSS rescore
  40. 2026-06-10 05:36 UTCEG score recompute
  41. 2026-06-10 05:36 UTCGHSA enrichment
  42. 2026-06-09 07:41 UTCEG score recompute
  43. 2026-06-09 07:41 UTCGHSA enrichment
  44. 2026-06-08 14:17 UTCEPSS rescore
  45. 2026-06-08 14:17 UTCEPSS rescore
  46. 2026-06-08 09:45 UTCEG score recompute
  47. 2026-06-08 09:45 UTCGHSA enrichment
  48. 2026-06-07 15:25 UTCEPSS rescore
  49. 2026-06-07 15:25 UTCEPSS rescore
  50. 2026-06-07 11:50 UTCEG score recompute
  51. 2026-06-07 11:50 UTCGHSA enrichment
  52. 2026-06-06 13:54 UTCEG score recompute
  53. 2026-06-06 13:54 UTCGHSA enrichment
  54. 2026-06-06 13:47 UTCEPSS rescore
  55. 2026-06-06 13:47 UTCEPSS rescore
  56. 2026-06-05 22:47 UTCEPSS rescore
  57. 2026-06-05 15:59 UTCEG score recompute
  58. 2026-06-05 15:59 UTCGHSA enrichment
  59. 2026-06-05 06:10 UTCEPSS rescore
  60. 2026-06-05 06:10 UTCEPSS rescore
  61. 2026-06-04 18:04 UTCEG score recompute
  62. 2026-06-04 18:04 UTCGHSA enrichment
  63. 2026-06-04 13:12 UTCEPSS rescore
  64. 2026-06-04 13:12 UTCEPSS rescore
  65. 2026-06-03 20:08 UTCEG score recompute
  66. 2026-06-03 20:08 UTCGHSA enrichment
  67. 2026-06-02 22:12 UTCEG score recompute
  68. 2026-06-02 22:12 UTCGHSA enrichment
  69. 2026-06-02 20:13 UTCEPSS rescore
  70. 2026-06-02 00:17 UTCEG score recompute
  71. 2026-06-02 00:17 UTCGHSA enrichment
  72. 2026-06-01 13:52 UTCEPSS rescore
  73. 2026-06-01 13:52 UTCEPSS rescore
  74. 2026-06-01 02:22 UTCEG score recompute▲ 5.30
  75. 2026-06-01 02:22 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-46745?
CVE-2026-46745 is a medium vulnerability published on May 25, 2026. Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP…
When was CVE-2026-46745 disclosed?
CVE-2026-46745 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-46745 actively exploited?
CVE-2026-46745 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-46745?
CVE-2026-46745 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-46745?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46745, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-46745

Explore →

Is Your Infrastructure Affected by CVE-2026-46745?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs