CVE-2025-3891

CVE-2025-3891CVE-2025-3891

apache / http_server

Description

A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-06-25
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.