CVE-2026-88648
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.7epss 0.2%
In GnuTLS v3.8.13, an excluded msUPN/SRV otherName is never checked. NOTE: the Supplier does not consider this an actionable security vulnerability because of its "threat model doesn't consider attacks only possible by modifying anything within the trust boundary (private keys, trusted certificate authorities and their issued certificates including intermediate CAs, etc.)" policy.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
n/a · n/aReferences
https://gist.github.com/lkloliver/1f2a97cb8d0b31aa27b6bd0354358d7dhttps://github.com/lkloliver/poc/tree/main/CVE-2026-88648https://gitlab.com/gnutls/gnutls/-/blob/e2169a87c7fb91935c2845088204b102baed4c5f/SECURITY.mdhttps://gitlab.com/gnutls/gnutls/-/work_items/1965https://www.rfc-editor.org/rfc/rfc5280#section-4.2.1.10https://www.rfc-editor.org/rfc/rfc5280#section-6.1.4