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.

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Thu, 01 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Apache HTTP Server: mod_auth_digest one-time-nonce replay attack
Weaknesses CWE-294
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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T16:17:59.618Z

Reserved: 2026-08-13T12:47:45.798Z

Link: CVE-2026-73636

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-10-01T17:17:30.873

Modified: 2026-10-01T17:17:30.873

Link: CVE-2026-73636

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses