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CVE-2026-54148
Published:August 18, 2026
Updated:August 27, 2026
An issue in "DigestAuthProvider.verify": The "uri" parameter in the client's "Authorization: Digest …" response was not checked against the actual request URL. A captured Digest authentication response could be replayed against any other URL served by the same realm, breaking the per-request-URL binding the Digest scheme assumes. Who is affected: any application using "http4k-security-digest" for HTTP Digest authentication. The bug has been present since "DigestAuthProvider" was introduced (commit "8a52b615b1", 2021).
Affected Packages
https://github.com/http4k/http4k.git (GITHUB):
Affected version(s) >=5.0.0.0 <5.42.0.0
Fix Suggestion:
Update to version 5.42.0.0
https://github.com/http4k/http4k.git (GITHUB):
Affected version(s) >=6.0.0.0 <6.50.0.0
Fix Suggestion:
Update to version 6.50.0.0
org.http4k:http4k-security-digest (JAVA):
Affected version(s) >=6.0.0.0 <6.50.0.0
Fix Suggestion:
Update to version 6.50.0.0
org.http4k:http4k-security-digest (JAVA):
Affected version(s) >=5.0.0.0 <5.42.0.0
Fix Suggestion:
Update to version 5.42.0.0
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Authentication Bypass by Capture-replay