An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue.
https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2026/05/04/18
https://www.helpnetsecurity.com/2026/05/18/debian-13-5-released/
https://www.securityweek.com/critical-high-severity-vulnerabilities-patched-in-apache-mina-http-server/
https://github.com/sibersan/apache_audit_cve-2026-23918
https://github.com/insomnisec/Detections-CVE-2026-23918
Source: Mitre, NVD
Published: 2026-05-04
Updated: 2026-05-04
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00065