PT-2026-52585 · Wolfssl · Wolfssl

Oleh Konko · Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-6450

Mitre

CVSS v4.0

1.0

Low

Base vector

AV:A/AC:H/AT:P/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

A CRL critical extension bypass exists in ParseCRL Extensions where critical extensions are not properly enforced, allowing a crafted CRL with an unhandled critical extension to be accepted. This only affects builds with CRL support enabled and where a crafted CRL had a trusted signature when parsed.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2026-6450

Affected Products

Wolfssl

References · 5

• https://github.com/wolfSSL/wolfssl/pull/10239 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-6450 · Security Note
• https://twitter.com/CVEnew/status/2070266084540772544 · Twitter Post
• https://twitter.com/infoflowcloud/status/2070267368324874352 · Twitter Post
• https://wolfssl.com/docs/security-vulnerabilities · Note