CVE-2026-6412

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-06-25. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Certificate policy and RFC 8446 compliance concerns regarding the continued acceptance of SHA-1/MD5 in certificate processing.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
1%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 27, 2026

Advisory Details (2)

Auto-updated Jun 27, 2026
Patch available. Sources: github_pr.
generic Patch Available

wolfSSL Security Vulnerabilities | Documentation - wolfSSL

https://www.wolfssl.com/docs/security-vulnerabilities/
github_pr

Report cert verify failure with MD5

Fix merged in wolfSSL/wolfssl PR #10222 on 2026-04-15 — awaiting tagged release

https://github.com/wolfSSL/wolfssl/pull/10222

Vendor Advisories for CVE-2026-6412(2)

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

Affected Packages

(3 across 3 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
wolfssl4.6.0+p1-0+deb11u1 ... 5.9.2-1 (40 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
wolfssl5.5.4-2 ... 5.9.2-1 (27 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
wolfssl5.7.2-0.1 ... 5.9.2-1 (14 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 49× 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. 2026-08-26 14:47 UTCEPSS rescore
  2. 2026-08-25 13:49 UTCEPSS rescore
  3. 2026-08-24 21:50 UTCEG score recompute
  4. 2026-08-24 21:50 UTCGHSA enrichment
  5. 2026-08-23 13:48 UTCEG score recompute
  6. 2026-08-23 13:48 UTCGHSA enrichment
  7. 2026-08-23 00:19 UTCEPSS rescore
  8. 2026-08-22 11:33 UTCGHSA enrichment
  9. 2026-08-21 09:18 UTCGHSA enrichment
  10. 2026-08-20 07:01 UTCEG score recompute
  11. 2026-08-20 07:01 UTCGHSA enrichment
  12. 2026-08-19 17:04 UTCEPSS rescore
  13. 2026-08-19 01:13 UTCEG score recompute
  14. 2026-08-19 01:13 UTCGHSA enrichment
  15. 2026-08-18 13:49 UTCEPSS rescore
  16. 2026-08-18 13:49 UTCEPSS rescore
  17. 2026-08-16 16:01 UTCEG score recompute
  18. 2026-08-16 16:01 UTCGHSA enrichment
  19. 2026-08-16 02:15 UTCEPSS rescore
  20. 2026-08-15 13:46 UTCGHSA enrichment
  21. 2026-08-14 11:19 UTCGHSA enrichment
  22. 2026-08-13 09:04 UTCGHSA enrichment
  23. 2026-08-12 06:47 UTCGHSA enrichment
  24. 2026-08-11 04:32 UTCEG score recompute
  25. 2026-08-11 04:32 UTCGHSA enrichment
Show 72 more
  1. 2026-08-11 00:00 UTCEPSS rescore
  2. 2026-08-10 02:17 UTCGHSA enrichment
  3. 2026-08-09 00:03 UTCEG score recompute
  4. 2026-08-09 00:03 UTCGHSA enrichment
  5. 2026-08-08 16:37 UTCEPSS rescore
  6. 2026-08-07 21:48 UTCEG score recompute
  7. 2026-08-07 21:48 UTCGHSA enrichment
  8. 2026-08-06 19:33 UTCEG score recompute
  9. 2026-08-06 19:33 UTCGHSA enrichment
  10. 2026-08-06 13:47 UTCEPSS rescore
  11. 2026-08-05 19:17 UTCEPSS rescore
  12. 2026-08-05 19:17 UTCEPSS rescore
  13. 2026-08-05 17:19 UTCGHSA enrichment
  14. 2026-08-04 15:03 UTCGHSA enrichment
  15. 2026-08-03 09:56 UTCGHSA enrichment
  16. 2026-08-02 07:27 UTCGHSA enrichment
  17. 2026-08-01 05:12 UTCEG score recompute
  18. 2026-08-01 05:12 UTCGHSA enrichment
  19. 2026-08-01 04:16 UTCEPSS rescore
  20. 2026-07-31 02:57 UTCEG score recompute
  21. 2026-07-31 02:57 UTCGHSA enrichment
  22. 2026-07-30 16:28 UTCEPSS rescore
  23. 2026-07-30 01:30 UTCEPSS rescore
  24. 2026-07-30 00:40 UTCGHSA enrichment
  25. 2026-07-28 20:56 UTCGHSA enrichment
  26. 2026-07-27 17:15 UTCGHSA enrichment
  27. 2026-07-26 14:55 UTCEG score recompute
  28. 2026-07-26 14:54 UTCGHSA enrichment
  29. 2026-07-26 14:54 UTCEPSS rescore
  30. 2026-07-26 14:54 UTCEPSS rescore
  31. 2026-07-24 14:18 UTCEPSS rescore
  32. 2026-07-24 14:18 UTCEPSS rescore
  33. 2026-07-23 03:22 UTCEG score recompute
  34. 2026-07-22 14:08 UTCEPSS rescore
  35. 2026-07-22 14:08 UTCEPSS rescore
  36. 2026-07-16 17:03 UTCEPSS rescore
  37. 2026-07-16 04:41 UTCGHSA enrichment
  38. 2026-07-15 16:57 UTCEPSS rescore
  39. 2026-07-15 02:26 UTCGHSA enrichment
  40. 2026-07-14 00:07 UTCGHSA enrichment
  41. 2026-07-12 21:52 UTCGHSA enrichment
  42. 2026-07-11 19:37 UTCGHSA enrichment
  43. 2026-07-11 08:27 UTCEPSS rescore
  44. 2026-07-11 08:27 UTCEPSS rescore
  45. 2026-07-10 17:22 UTCGHSA enrichment
  46. 2026-07-09 15:07 UTCGHSA enrichment
  47. 2026-07-08 15:16 UTCEPSS rescore
  48. 2026-07-08 15:16 UTCEPSS rescore
  49. 2026-07-08 12:48 UTCGHSA enrichment
  50. 2026-07-07 13:46 UTCEPSS rescore
  51. 2026-07-07 13:46 UTCEPSS rescore
  52. 2026-07-07 10:23 UTCGHSA enrichment
  53. 2026-07-06 08:06 UTCGHSA enrichment
  54. 2026-07-06 02:23 UTCEPSS rescore
  55. 2026-07-06 02:23 UTCEPSS rescore
  56. 2026-07-05 05:49 UTCGHSA enrichment
  57. 2026-07-04 03:27 UTCGHSA enrichment
  58. 2026-07-03 01:12 UTCGHSA enrichment
  59. 2026-07-01 22:57 UTCGHSA enrichment
  60. 2026-07-01 15:07 UTCEPSS rescore
  61. 2026-06-30 20:42 UTCGHSA enrichment
  62. 2026-06-29 18:27 UTCEG score recompute▲ 2.00
  63. 2026-06-29 18:27 UTCGHSA enrichment
  64. 2026-06-28 14:07 UTCEPSS rescore
  65. 2026-06-28 04:56 UTCEPSS rescore
  66. 2026-06-27 19:41 UTCNVD updateCVSS v3 → 4.3 · severity → MEDIUM
  67. 2026-06-27 03:08 UTCEPSS rescore
  68. 2026-06-26 15:44 UTCEG score recompute▲ 2.30
  69. 2026-06-26 15:44 UTCGHSA enrichment
  70. 2026-06-26 15:40 UTCNVD updateCVSS v3 → 2.3 · CVSS v4 → 2.3
  71. 2026-06-25 21:46 UTCEG score recompute
  72. 2026-06-25 21:46 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-6412?
CVE-2026-6412 is a medium vulnerability published on June 25, 2026. Certificate policy and RFC 8446 compliance concerns regarding the continued acceptance of SHA-1/MD5 in certificate processing.
When was CVE-2026-6412 disclosed?
CVE-2026-6412 was first published in the National Vulnerability Database on June 25, 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-2026-6412 actively exploited?
CVE-2026-6412 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 98.6% of all scored CVEs.
What is the CVSS score of CVE-2026-6412?
CVE-2026-6412 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-6412?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6412, 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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