CVE-2026-19906: Pkp Pkp-Lib

Low severity, CVSS 3.7. EPSS: 0.5% chance of exploitation in the next 30 days.

A weakness has been identified in pkp pkp-lib 3.3.0/3.4.0/3.5.0. This vulnerability affects the function setData of the file classes/user/form/APIProfileForm.php of the component API Key Generation. Executing a manipulation of the argument apiKey can lead to insufficient entropy. The attack may be performed from remote. This attack is characterized by high complexity. It is stated that the exploitability is difficult. This patch is called 529b5df878e571ccc727647f7748eafc1466b041. It is best practice to apply a patch to resolve this issue.

Affected products

• Pkp Pkp-Lib: version 3.3.0 only; version 3.4.0 only; version 3.5.0 only

Published 2026-08-15. Last modified 2026-08-20.