CVE-2026-40995

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-06-11. a secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

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

X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts).

Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

CVSS v3
5.4
EG Score
5.4(high)
EPSS
4.4%
KEV
Not listed

Published

June 11, 2026

Last Modified

June 23, 2026

Advisory Details (1)

Auto-updated Jun 14, 2026
No patch confirmed yet.
generic

CVE-2026-40995: X.509 authentication bypasses Spring Security account checks

https://spring.io/security/cve-2026-40995

Vendor Advisories for CVE-2026-40995(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 77× 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.

  1. 2026-07-07 03:20 UTCEG score recompute
  2. 2026-07-07 03:20 UTCGHSA enrichment
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 13:26 UTCEG score recompute
  6. 2026-07-05 13:26 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 11:33 UTCEG score recompute
  9. 2026-07-04 11:33 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 02:14 UTCEG score recompute
  12. 2026-07-03 02:14 UTCGHSA enrichment
  13. 2026-07-02 00:20 UTCEG score recompute
  14. 2026-07-02 00:20 UTCGHSA enrichment
  15. 2026-07-01 15:06 UTCEPSS rescore
  16. 2026-06-30 23:22 UTCEPSS rescore
  17. 2026-06-30 22:23 UTCEG score recompute
  18. 2026-06-30 22:23 UTCGHSA enrichment
  19. 2026-06-29 20:30 UTCEG score recompute
  20. 2026-06-29 20:30 UTCGHSA enrichment
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-28 18:37 UTCEG score recompute
  23. 2026-06-28 18:37 UTCGHSA enrichment
  24. 2026-06-28 14:07 UTCEPSS rescore
  25. 2026-06-28 04:56 UTCEPSS rescore
Show 52 more
  1. 2026-06-27 16:44 UTCEG score recompute
  2. 2026-06-27 16:43 UTCGHSA enrichment
  3. 2026-06-27 03:08 UTCEPSS rescore
  4. 2026-06-26 14:49 UTCEG score recompute
  5. 2026-06-26 14:49 UTCGHSA enrichment
  6. 2026-06-25 13:49 UTCEPSS rescore
  7. 2026-06-25 13:49 UTCEPSS rescore
  8. 2026-06-25 12:41 UTCEG score recompute
  9. 2026-06-25 12:41 UTCGHSA enrichment
  10. 2026-06-24 14:05 UTCEPSS rescore
  11. 2026-06-24 10:48 UTCEG score recompute
  12. 2026-06-24 10:47 UTCGHSA enrichment
  13. 2026-06-23 21:33 UTCEPSS rescore
  14. 2026-06-23 08:26 UTCEG score recompute
  15. 2026-06-23 08:26 UTCGHSA enrichment
  16. 2026-06-22 14:25 UTCEPSS rescore
  17. 2026-06-22 14:25 UTCEPSS rescore
  18. 2026-06-22 04:19 UTCEG score recompute
  19. 2026-06-22 04:18 UTCGHSA enrichment
  20. 2026-06-21 14:56 UTCEPSS rescore
  21. 2026-06-21 14:56 UTCEPSS rescore
  22. 2026-06-21 02:24 UTCEG score recompute
  23. 2026-06-21 02:24 UTCGHSA enrichment
  24. 2026-06-21 01:59 UTCEPSS rescore
  25. 2026-06-20 00:32 UTCEG score recompute
  26. 2026-06-20 00:31 UTCGHSA enrichment
  27. 2026-06-19 19:25 UTCEPSS rescore
  28. 2026-06-18 22:26 UTCEG score recompute
  29. 2026-06-18 22:26 UTCGHSA enrichment
  30. 2026-06-18 17:52 UTCEPSS rescore
  31. 2026-06-18 17:52 UTCEPSS rescore
  32. 2026-06-17 20:33 UTCEG score recompute
  33. 2026-06-17 20:33 UTCGHSA enrichment
  34. 2026-06-17 17:53 UTCEPSS rescore
  35. 2026-06-16 18:40 UTCEG score recompute
  36. 2026-06-16 18:40 UTCGHSA enrichment
  37. 2026-06-16 17:52 UTCEPSS rescore
  38. 2026-06-15 17:49 UTCEPSS rescore
  39. 2026-06-15 16:46 UTCEG score recompute
  40. 2026-06-15 16:46 UTCGHSA enrichment
  41. 2026-06-14 14:52 UTCEG score recompute
  42. 2026-06-14 14:52 UTCGHSA enrichment
  43. 2026-06-13 23:00 UTCEPSS rescore
  44. 2026-06-13 12:59 UTCEG score recompute
  45. 2026-06-13 12:59 UTCGHSA enrichment
  46. 2026-06-12 23:12 UTCEPSS rescore
  47. 2026-06-12 23:12 UTCEPSS rescore
  48. 2026-06-12 11:04 UTCEG score recompute
  49. 2026-06-12 11:04 UTCGHSA enrichment
  50. 2026-06-11 14:00 UTCEPSS rescore
  51. 2026-06-11 09:11 UTCEG score recompute
  52. 2026-06-11 09:10 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40995?
CVE-2026-40995 is a medium vulnerability published on June 11, 2026. X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts). Affected versions: Spring Web…
When was CVE-2026-40995 disclosed?
CVE-2026-40995 was first published in the National Vulnerability Database on June 11, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40995 actively exploited?
CVE-2026-40995 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40995?
CVE-2026-40995 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-40995?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40995, 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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