CVE-2026-12185

HIGHNVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

Score 8.6 from GitHub Security Advisory (severity: HIGH) published 2026-08-03. NVD baseline CVSS 8.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.6Exploit: None knownExposed: 0

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

In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.

CVSS v3
8.6
EG Score
8.6(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: Track

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
Severity86% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

August 3, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 3, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
github_commit

commit 7bbd7fe5f441 (bcgit/bc-java)

Fix landed in bcgit/bc-java commit 7bbd7fe5f441 — awaiting tagged release

https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d
generic

Home · bcgit/bc-java Wiki · GitHub

https://github.com/bcgit/bc-java/wiki/CVE-2026-12185

Vendor Advisories for CVE-2026-12185(1)

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

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
bouncycastle1.68-2 ... 1.80-3 (12 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
bouncycastle1.72-2, 1.77-1, 1.80-1, 1.80-2, 1.80-3——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
bouncycastle1.80-3——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
bouncycastle1.80-3——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 97× 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 175 total refreshes for this CVE.

  1. 2026-09-19 03:52 UTCEG score recompute
  2. 2026-09-19 03:52 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 13:30 UTCGHSA enrichment
  5. 2026-09-18 01:13 UTCEG score recompute
  6. 2026-09-18 01:13 UTCGHSA enrichment
  7. 2026-09-17 01:17 UTCEG score recompute
  8. 2026-09-17 01:17 UTCGHSA enrichment
  9. 2026-09-16 05:27 UTCEG score recompute
  10. 2026-09-16 05:27 UTCGHSA enrichment
  11. 2026-09-16 05:14 UTCEPSS rescore
  12. 2026-09-15 17:09 UTCEG score recompute
  13. 2026-09-15 17:09 UTCGHSA enrichment
  14. 2026-09-15 02:06 UTCGHSA enrichment
  15. 2026-09-14 10:18 UTCGHSA enrichment
  16. 2026-09-13 22:01 UTCEG score recompute
  17. 2026-09-13 22:01 UTCGHSA enrichment
  18. 2026-09-13 16:46 UTCEPSS rescore
  19. 2026-09-13 09:44 UTCGHSA enrichment
  20. 2026-09-12 21:27 UTCEG score recompute
  21. 2026-09-12 21:27 UTCGHSA enrichment
  22. 2026-09-12 15:00 UTCEPSS rescore
  23. 2026-09-12 09:09 UTCGHSA enrichment
  24. 2026-09-11 20:52 UTCEG score recompute
  25. 2026-09-11 20:52 UTCGHSA enrichment
Show 75 more
  1. 2026-09-11 14:52 UTCEPSS rescore
  2. 2026-09-11 09:36 UTCEPSS rescore
  3. 2026-09-11 08:33 UTCGHSA enrichment
  4. 2026-09-10 20:16 UTCEG score recompute
  5. 2026-09-10 20:16 UTCGHSA enrichment
  6. 2026-09-10 09:34 UTCEPSS rescore
  7. 2026-09-10 07:59 UTCGHSA enrichment
  8. 2026-09-09 19:42 UTCGHSA enrichment
  9. 2026-09-09 06:52 UTCEG score recompute
  10. 2026-09-09 06:52 UTCGHSA enrichment
  11. 2026-09-08 22:00 UTCEPSS rescore
  12. 2026-09-07 19:05 UTCEG score recompute
  13. 2026-09-07 19:05 UTCGHSA enrichment
  14. 2026-09-07 16:01 UTCEPSS rescore
  15. 2026-09-06 19:18 UTCEG score recompute
  16. 2026-09-06 19:18 UTCGHSA enrichment
  17. 2026-09-06 13:47 UTCEPSS rescore
  18. 2026-09-06 06:59 UTCGHSA enrichment
  19. 2026-09-05 18:42 UTCEG score recompute
  20. 2026-09-05 18:42 UTCGHSA enrichment
  21. 2026-09-05 04:32 UTCGHSA enrichment
  22. 2026-09-04 15:53 UTCEG score recompute
  23. 2026-09-04 15:53 UTCGHSA enrichment
  24. 2026-09-04 05:06 UTCEPSS rescore
  25. 2026-09-04 03:31 UTCGHSA enrichment
  26. 2026-09-03 08:59 UTCEG score recompute
  27. 2026-09-03 08:59 UTCGHSA enrichment
  28. 2026-09-02 14:11 UTCEPSS rescore
  29. 2026-09-01 22:21 UTCEG score recompute
  30. 2026-09-01 22:21 UTCGHSA enrichment
  31. 2026-09-01 13:53 UTCEPSS rescore
  32. 2026-09-01 04:39 UTCEPSS rescore
  33. 2026-08-31 23:17 UTCGHSA enrichment
  34. 2026-08-30 22:42 UTCEG score recompute
  35. 2026-08-30 22:42 UTCGHSA enrichment
  36. 2026-08-30 19:17 UTCEPSS rescore
  37. 2026-08-30 10:25 UTCEG score recompute
  38. 2026-08-30 10:25 UTCGHSA enrichment
  39. 2026-08-30 01:21 UTCEPSS rescore
  40. 2026-08-29 22:08 UTCEG score recompute
  41. 2026-08-29 22:08 UTCGHSA enrichment
  42. 2026-08-28 21:40 UTCEPSS rescore
  43. 2026-08-28 14:54 UTCEG score recompute▲ 1.50
  44. 2026-08-28 14:54 UTCGHSA enrichment
  45. 2026-08-28 14:45 UTCNVD updateCVSS v3 → 8.6
  46. 2026-08-27 21:01 UTCEG score recompute
  47. 2026-08-27 21:01 UTCGHSA enrichment
  48. 2026-08-27 14:24 UTCEPSS rescore
  49. 2026-08-27 08:44 UTCGHSA enrichment
  50. 2026-08-26 19:13 UTCEG score recompute
  51. 2026-08-26 19:13 UTCGHSA enrichment
  52. 2026-08-26 03:35 UTCGHSA enrichment
  53. 2026-08-25 15:17 UTCEG score recompute
  54. 2026-08-25 15:17 UTCGHSA enrichment
  55. 2026-08-25 13:48 UTCEPSS rescore
  56. 2026-08-25 02:59 UTCGHSA enrichment
  57. 2026-08-24 14:42 UTCEG score recompute
  58. 2026-08-24 14:42 UTCGHSA enrichment
  59. 2026-08-24 02:24 UTCGHSA enrichment
  60. 2026-08-23 13:51 UTCGHSA enrichment
  61. 2026-08-23 01:33 UTCEG score recompute
  62. 2026-08-23 01:33 UTCGHSA enrichment
  63. 2026-08-23 00:19 UTCEPSS rescore
  64. 2026-08-22 13:16 UTCGHSA enrichment
  65. 2026-08-22 00:59 UTCEG score recompute
  66. 2026-08-22 00:59 UTCGHSA enrichment
  67. 2026-08-21 23:48 UTCEPSS rescore
  68. 2026-08-21 12:42 UTCGHSA enrichment
  69. 2026-08-21 00:24 UTCEG score recompute
  70. 2026-08-21 00:24 UTCGHSA enrichment
  71. 2026-08-20 22:55 UTCEPSS rescore
  72. 2026-08-20 12:07 UTCGHSA enrichment
  73. 2026-08-19 23:41 UTCEG score recompute
  74. 2026-08-19 23:41 UTCGHSA enrichment
  75. 2026-08-19 17:03 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-12185?
CVE-2026-12185 is a high vulnerability published on August 3, 2026. In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
When was CVE-2026-12185 disclosed?
CVE-2026-12185 was first published in the National Vulnerability Database on August 3, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12185 actively exploited?
CVE-2026-12185 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.6% of all scored CVEs.
What is the CVSS score of CVE-2026-12185?
CVE-2026-12185 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-12185?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12185, 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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