UpHeron
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Servers and applications

CVE-2026-73636

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…

Severity
High 8.1
Published
1 Oct 2026
Last changed
5 Oct 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.4.69
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.4.0 before 2.4.69

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-73636
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-73636