What is CVE-2026-10097?

CVE-2026-10097 is a high-severity vulnerability in Wolfssl, classified under Incorrect Comparison. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-10097?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Wolfssl

CVE-2026-10097

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-encr…

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Wolfssl — versions 5.7.0

Weakness classification (CWE)

CWE-697 — Incorrect Comparison

References

facts@wolfssl.com (Patch, patch, Issue Tracking)
facts@wolfssl.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-10097?: CVE-2026-10097 is a high-severity vulnerability in Wolfssl, classified under Incorrect Comparison. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-10097?: High severity. CVSS v3 base score is 7.5 out of 10.