CVE-2026-88648

EUVD-2026-95205
Incomplete X.509 implementation in GnuTLS v3.8.13 allows attackers controlling a subordinate Certificate Authority to bypass cross-domain PKI restrictions and issue unauthorized certificates.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
References
https://gist.github.com/lkloliver/1f2a97cb8d0b31aa27b6bd0354358d7d
https://www.rfc-editor.org/rfc/rfc5280#section-4.2.1.10
https://www.rfc-editor.org/rfc/rfc5280#section-6.1.4