CVE-2025-3891

HighCVSS 7.5/10Last modified Jun 29, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 29, 2025
Last modified
Jun 29, 2026
NVD status
Modified

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CVE-2025-3891: High severity, CVSS 7.5 | Vulnix