CVE-2026-73636

Summary

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 Software

VendorProductVersion RangeStatus
Apache Software FoundationApache HTTP Server2.4.0 <= 2.4.68affected

Weaknesses

  • CWE-294: CWE-294 Authentication Bypass by Capture-replay

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

CVE Program Container

Additional References

References