CVE-2026-6094

CRITICALNVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory published 2026-06-25. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.1Exploit: NoneExposed: 0

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

Heap buffer overread in wc_PKCS7_DecodeEnvelopedData when parsing crafted PKCS7 EnvelopedData. This could theoretically be triggered by attacker-supplied data delivered via S/MIME or CMS.

CVSS v3
9.1
EG Score
9.1(high)
EPSS
21.2%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 26, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
Patch available. Sources: github_pr.
generic Patch Available

wolfSSL Security Vulnerabilities | Documentation - wolfSSL

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

PKCS7 Fixes

Fix merged in wolfSSL/wolfssl PR #10128 on 2026-04-23 — awaiting tagged release

https://github.com/wolfSSL/wolfssl/pull/10128

Vendor Advisories for CVE-2026-6094(2)

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 88× in last 7d / 135× 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 135 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-6094?
CVE-2026-6094 is a critical vulnerability published on June 25, 2026. Heap buffer overread in wcPKCS7DecodeEnvelopedData when parsing crafted PKCS7 EnvelopedData. This could theoretically be triggered by attacker-supplied data delivered via S/MIME or CMS.
When was CVE-2026-6094 disclosed?
CVE-2026-6094 was first published in the National Vulnerability Database on June 25, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6094 actively exploited?
CVE-2026-6094 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6094?
CVE-2026-6094 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-6094?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6094, 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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