CVE-2026-10097

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory published 2026-06-25. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).

wolfSSL's AVX2-optimized ML-KEM implementation (mlkem_cmp_avx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and are accepted as valid, breaking IND-CCA2 security. An attacker able to submit chosen ciphertexts to a decapsulation oracle that uses a static ML-KEM-1024 key, and to observe whether the genuine shared secret or the implicit-rejection secret was produced, can use this as a plaintext-checking oracle to recover the private key. A proof of concept recovered a full ML-KEM-1024 private key with approximately 98% success using roughly 350 chosen ciphertexts. The flaw is a deterministic logic error and does not rely on timing measurements.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
38
EG Risk 38/100

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
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
EPSS PROB
0.3%
EPSS %ILE
16th
KEV
Not listed

Published

June 25, 2026

Last Modified

June 26, 2026

Advisory Details (2)

Auto-updated Jun 26, 2026
Fix referenced — no release confirmed yet. Sources: github_pr.
genericMentions a patch (unverified)

wolfSSL Security Vulnerabilities | Documentation - wolfSSL

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

ML-KEM: fix AVX2 assembly

Fix merged in wolfSSL/wolfssl PR #10430 on 2026-05-12 — awaiting tagged release

https://github.com/wolfSSL/wolfssl/pull/10430

Vendor Advisories for CVE-2026-10097(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 rangeFix by version rangeDependents
wolfssl4.6.0+p1-0+deb11u1 ... 5.9.2-1 (40 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
wolfssl5.5.4-2 ... 5.9.2-1 (27 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
wolfssl5.7.2-0.1 ... 5.9.2-1 (14 versions)
  • every version on: no fix on record
—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 30× 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 238 total refreshes for this CVE.

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

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-10097?
CVE-2026-10097 is a high vulnerability published on June 25, 2026. wolfSSL's AVX2-optimized ML-KEM implementation (mlkemcmpavx2) compares only 1536 of the 1568 ciphertext bytes during the Fujisaki-Okamoto re-encryption check in ML-KEM-1024 decapsulation. Ciphertexts that differ from the expected re-encryption solely in bytes 1536-1567 bypass implicit rejection and…
When was CVE-2026-10097 disclosed?
CVE-2026-10097 was first published 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-2026-10097 actively exploited?
CVE-2026-10097 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (16th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-10097?
CVE-2026-10097 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-10097?
A fix for CVE-2026-10097 is referenced (a reference tagged "Patch", often a source commit), but EchelonGraph has no release containing it on record. Check that reference and the vendor's advisory for a release that contains the fix and update to it; until then, restrict network exposure of the affected system or apply the vendor's mitigation. The vendor advisories EchelonGraph has for CVE-2026-10097 are linked in the Vendor Advisories panel on this page.

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