CVE-2026-19906 pkp pkp-lib API Key Generation APIProfileForm.php setData entropy
Insufficient entropy in API key generation allows attackers to predict keys, potentially bypassing authentication controls in PKP software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19906?
CVE-2026-19906 is a medium-severity vulnerability in pkp-lib, published on 15 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2026-19906?
How do I fix CVE-2026-19906?
No fix has been published for CVE-2026-19906 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-19906 being exploited?
There is no known exploitation of CVE-2026-19906 in the wild and no public exploit code.
Sources
Also known as GHSA-gccx-9qmf-hrf5.