CVE-2026-5263
URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn
CVSS
6.5
Medio
EPSS
0.2%
p6
KEV
—
Exploit Today
2
0-100
Publicado: 9 abr 2026 · Última mod.: 2 jul 2026 · CWE-295
0.2%EPSS · 30 días0.2%
2026-06-302026-07-17
URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing CA, and wolfSSL would accept them as valid.
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