CVE-2026-5638: Heriklyma Cppwebframework

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability was detected in HerikLyma CPPWebFramework up to 3.1. This issue affects some unknown processing. Performing a manipulation results in path traversal. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• Heriklyma Cppwebframework: version 3.0 only; version 3.1 only

Published 2026-04-06. Last modified 2026-06-17.