Is CVE-2026-104988 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-104988?

CVE-2026-104988 has a CVSS v3 severity of HIGH (8.1).

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CVE-2026-104988

Description

A flaw was found in Dogtag PKI (pki-core). The CMCAuthForEST authentication plugin fails open when an EST fullcmc enrollment request is submitted via BasicAuth without an end-user TLS client certificate. The SSL_CLIENT_CERT session attribute retains the EST subsystem's agent certificate, which causes downstream authorization checks to treat the request as agent-privileged. An authenticated EST user can exploit this to obtain CA-signed certificates with arbitrary subject names.