CVE-2024-55875

http4k has a potential XXE (XML External Entity Injection) vulnerability

http4k is a functional toolkit for Kotlin HTTP applications. Prior to version 5.41.0.0, there is a potential XXE (XML External Entity Injection) vulnerability when http4k handling malicious XML contents within requests, which might allow attackers to read local sensitive information on server, trigger Server-side Request Forgery and even execute code under some circumstances. Version 5.41.0.0 contains a patch for the issue.

Affected

http4k

CVSS v3.1 GITHUB

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.91% chance of exploitation in the next 30 days, 79th percentile

Published

2024-12-12

Updated

2026-06-09

Proof-of-concept exploits (1)

• JAckLosingHeart/CVE-2024-558758★ · 2024-12-13

Security advisories

• advisories/GHSA-7mj5-hjjj-8rgw

References

• CVE Record
• NVD entry

Related

• CVE-2023-46442
• CVE-2024-51132