Vulnerability · Published Aug 15, 2026 · Assigned by VulDB
CVE-2026-19906pkp pkp-lib API Key Generation APIProfileForm.php setData entropy
Low 3.7
In plain English
A low-severity weak randomness in pkp-lib from pkp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official description
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 (as reported)
Weakness: CWE-331, CWE-330 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
References
- VDB-390119 | pkp pkp-lib API Key Generation APIProfileForm.php setData entropy vdb-entry, technical-description
- VDB-390119 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-19906 | CVE Analysis and Report third-party-advisory
- Submit #870828 | Public Knowledge Project ojs, pkp-lib 3.5.0 Predictable API Key Generation third-party-advisory
- https://github.com/pkp/pkp-lib/issues/12951 issue-tracking
- https://github.com/pkp/pkp-lib/commit/529b5df878e571ccc727647f7748eafc1466b041 patch
- https://github.com/pkp/pkp-lib/ product