CVE-2026-40993

HIGHNVD 7.27.3▲
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-06-10. NVD baseline CVSS 7.2; sources differ by 0.1.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.2Exploit: NoneExposed: 0

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

An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2_asserting_party_metadata) may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials (verification_credentials and encryption_credentials, respectively).

Affected versions: Spring Security 7.0.0 through 7.0.5.

CVSS v3
7.2
EG Score
7.3(high)
EPSS
9.7%
KEV
Not listed

Published

June 10, 2026

Last Modified

June 27, 2026

Advisory Details (1)

Auto-updated Jun 11, 2026
No patch confirmed yet.
generic

CVE-2026-40993: Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry

https://spring.io/security/cve-2026-40993

Vendor Advisories for CVE-2026-40993(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 30× in last 7d / 143× 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 143 total refreshes for this CVE.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 02:23 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 23:21 UTCEG score recompute
  6. 2026-07-05 23:21 UTCGHSA enrichment
  7. 2026-07-05 11:50 UTCEG score recompute
  8. 2026-07-05 11:50 UTCGHSA enrichment
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-05 00:02 UTCEG score recompute
  11. 2026-07-05 00:02 UTCGHSA enrichment
  12. 2026-07-04 12:47 UTCEG score recompute
  13. 2026-07-04 12:47 UTCGHSA enrichment
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-03 15:27 UTCEG score recompute
  16. 2026-07-03 15:27 UTCGHSA enrichment
  17. 2026-07-03 02:00 UTCEG score recompute
  18. 2026-07-03 01:59 UTCGHSA enrichment
  19. 2026-07-02 14:48 UTCEG score recompute
  20. 2026-07-02 14:48 UTCGHSA enrichment
  21. 2026-07-02 03:35 UTCEG score recompute
  22. 2026-07-02 03:35 UTCGHSA enrichment
  23. 2026-07-01 16:24 UTCEG score recompute
  24. 2026-07-01 16:24 UTCGHSA enrichment
  25. 2026-07-01 15:06 UTCEPSS rescore
Show 75 more
  1. 2026-07-01 05:13 UTCEG score recompute
  2. 2026-07-01 05:12 UTCGHSA enrichment
  3. 2026-06-30 23:22 UTCEPSS rescore
  4. 2026-06-30 17:45 UTCEG score recompute
  5. 2026-06-30 17:44 UTCGHSA enrichment
  6. 2026-06-30 06:10 UTCEG score recompute
  7. 2026-06-30 06:10 UTCGHSA enrichment
  8. 2026-06-29 18:59 UTCEG score recompute
  9. 2026-06-29 18:59 UTCGHSA enrichment
  10. 2026-06-29 14:06 UTCEPSS rescore
  11. 2026-06-29 07:37 UTCEG score recompute
  12. 2026-06-29 07:37 UTCGHSA enrichment
  13. 2026-06-28 20:24 UTCEG score recompute
  14. 2026-06-28 20:24 UTCGHSA enrichment
  15. 2026-06-28 14:07 UTCEPSS rescore
  16. 2026-06-28 09:12 UTCEG score recompute
  17. 2026-06-28 09:12 UTCGHSA enrichment
  18. 2026-06-28 04:56 UTCEPSS rescore
  19. 2026-06-27 23:43 UTCNVD updateCVSS v3 → 7.2
  20. 2026-06-27 22:01 UTCEG score recompute
  21. 2026-06-27 22:01 UTCGHSA enrichment
  22. 2026-06-27 21:39 UTCMITRE cvelistV5CVSS v3 → 7.3
  23. 2026-06-27 10:50 UTCEG score recompute
  24. 2026-06-27 10:50 UTCGHSA enrichment
  25. 2026-06-27 03:08 UTCEPSS rescore
  26. 2026-06-26 23:39 UTCEG score recompute
  27. 2026-06-26 23:39 UTCGHSA enrichment
  28. 2026-06-26 12:26 UTCEG score recompute
  29. 2026-06-26 12:26 UTCGHSA enrichment
  30. 2026-06-25 19:21 UTCEG score recompute
  31. 2026-06-25 19:21 UTCGHSA enrichment
  32. 2026-06-25 13:49 UTCEPSS rescore
  33. 2026-06-25 13:49 UTCEPSS rescore
  34. 2026-06-25 08:07 UTCEG score recompute
  35. 2026-06-25 08:07 UTCGHSA enrichment
  36. 2026-06-24 20:56 UTCEG score recompute
  37. 2026-06-24 20:56 UTCGHSA enrichment
  38. 2026-06-24 14:05 UTCEPSS rescore
  39. 2026-06-24 08:01 UTCEG score recompute
  40. 2026-06-24 08:01 UTCGHSA enrichment
  41. 2026-06-23 21:33 UTCEPSS rescore
  42. 2026-06-23 20:29 UTCEG score recompute
  43. 2026-06-23 20:29 UTCGHSA enrichment
  44. 2026-06-23 08:57 UTCEG score recompute
  45. 2026-06-23 08:56 UTCGHSA enrichment
  46. 2026-06-22 20:15 UTCEG score recompute
  47. 2026-06-22 20:14 UTCGHSA enrichment
  48. 2026-06-22 14:25 UTCEPSS rescore
  49. 2026-06-22 14:25 UTCEPSS rescore
  50. 2026-06-22 08:58 UTCEG score recompute
  51. 2026-06-22 08:58 UTCGHSA enrichment
  52. 2026-06-21 20:12 UTCEG score recompute
  53. 2026-06-21 20:12 UTCGHSA enrichment
  54. 2026-06-21 14:56 UTCEPSS rescore
  55. 2026-06-21 14:56 UTCEPSS rescore
  56. 2026-06-21 08:41 UTCEG score recompute
  57. 2026-06-21 08:40 UTCGHSA enrichment
  58. 2026-06-21 01:59 UTCEPSS rescore
  59. 2026-06-20 21:16 UTCEG score recompute
  60. 2026-06-20 21:16 UTCGHSA enrichment
  61. 2026-06-20 08:08 UTCEG score recompute
  62. 2026-06-20 08:08 UTCGHSA enrichment
  63. 2026-06-19 20:57 UTCEG score recompute
  64. 2026-06-19 20:56 UTCGHSA enrichment
  65. 2026-06-19 19:25 UTCEPSS rescore
  66. 2026-06-19 09:36 UTCEG score recompute
  67. 2026-06-19 09:36 UTCGHSA enrichment
  68. 2026-06-18 22:23 UTCEG score recompute
  69. 2026-06-18 22:22 UTCGHSA enrichment
  70. 2026-06-18 17:52 UTCEPSS rescore
  71. 2026-06-18 17:52 UTCEPSS rescore
  72. 2026-06-18 11:11 UTCEG score recompute
  73. 2026-06-18 11:11 UTCGHSA enrichment
  74. 2026-06-17 23:38 UTCEG score recompute
  75. 2026-06-17 23:38 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-40993?
CVE-2026-40993 is a high vulnerability published on June 10, 2026. An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2assertingpartymetadata) may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials (verificationcredentials and…
When was CVE-2026-40993 disclosed?
CVE-2026-40993 was first published in the National Vulnerability Database on June 10, 2026, with the most recent update on June 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40993 actively exploited?
CVE-2026-40993 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40993?
CVE-2026-40993 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.3.
How do I remediate CVE-2026-40993?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40993, 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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