CVE-2026-73636 — Apache HTTP Server: mod_auth_digest one-time-nonce replay attack

Description (CNA)

Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache HTTP Server	affected 2.4.0 through 2.4.68

CWE

CWE-294

References

https://httpd.apache.org/security/vulnerabilities_24.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/10/01/27