CVE WATCH / VULNERABILITY DETAIL
CVE-2026-87866
UNKNOWNCVSS 0NVD feed
Published 20 October 2026 · tracked since 21 October 2026
Description
When built with wolfSSL, curl can successfully validate a pinned public key hash against a key the TLS peer does not possess. During the TLS handshake, wolfSSL validates the connection, but curl's subsequent re-parsing of the same certificate - tricked by a manipulated validity length field - extrac
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog