cve.bz

CVE-2026-54147

6.5 mediumEPSS 0.3%

Medium (6.5). EPSS 0.3% chance of exploitation in the next 30 days. Fixed in org.http4k:http4k-security-digest 5.42.0.0, 6.50.0.0.

http4k is a functional toolkit for Kotlin HTTP applications. Prior to 4.51.0.0, 5.42.0.0, and 6.50.0.0, DigestAuthProvider.verify in http4k-security-digest ignores its configured algorithm parameter and verifies every Digest response with hardcoded MD5. Deployments configured for SHA-256 therefore receive weaker MD5-based verification, exposing Digest authentication to collision-related attack paths that depend on the hash function's collision resistance. This issue is fixed in versions 4.51.0.0, 5.42.0.0, and 6.50.0.0.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
CWE
CWE-327
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-vxxm-wwqh-mh47Mavenorg.http4k:http4k-security-digest>=6.0.0.0 <6.50.0.06.50.0.0
GHSA-vxxm-wwqh-mh47Mavenorg.http4k:http4k-security-digest>=5.0.0.0 <5.42.0.05.42.0.0
GHSA-vxxm-wwqh-mh47Mavenorg.http4k:http4k-security-digest<=4.48.2.0no fix published

References

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