All vulnerabilities
CVE-2026-48005

Apache HTTP Server: mod_auth_digest reauthentication attack

Apache Software Foundation Apache HTTP ServerWeb servers
CVSS
7.5High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.61%Chance of exploitation activity in the next 30 days, higher than 48% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published1 Oct 2026Updated 1 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

Missing authentication checks in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause a denial of service (forced re-authentication) via forged Authorization headers when Digest authentication is enabled with AuthDigestNcCheck .

Users are recommended to upgrade to version 2.4.69, which fixes this issue.

Text from CVE List

Affected versions 1

  • Apache HTTP Serveraffected: 2.4.0 through 2.4.68CVE List

References 1