What is CVE-2026-10098?

CVE-2026-10098 is a medium-severity vulnerability in Wolfssl, classified under Improper Certificate Validation. CVSS score: 5.3/10. Published 2026-06-25.

How severe is CVE-2026-10098?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Wolfssl

CVE-2026-10098

OCSP CertID serial-number length-confusion in wolfSSL_OCSP_resp_find_status allows a same-issuer SingleResponse whose serial is a prefix of the target serial to be reported as the revocation status of a different certificate. The lookup co…

Vulnerability class: Improper Certificate Validation

EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Wolfssl — versions 4.6.0

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

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

Frequently asked questions

What is CVE-2026-10098?: CVE-2026-10098 is a medium-severity vulnerability in Wolfssl, classified under Improper Certificate Validation. CVSS score: 5.3/10. Published 2026-06-25.
How severe is CVE-2026-10098?: Medium severity. CVSS v3 base score is 5.3 out of 10.