CVE-2026-94676 WordPress Tainacan plugin <= 1.3.0 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the Tainacan WordPress plugin to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-94676?
CVE-2026-94676 is a high-severity unsafe deserialization vulnerability in Tainacan, published on 10 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in Tainacan Community Tainacan tainacan allows Object Injection.This issue affects Tainacan: from n/a through 1.3.0.
Weakness: CWE-502
Which versions are affected by CVE-2026-94676?
How do I fix CVE-2026-94676?
No fix has been published for CVE-2026-94676 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-94676 being exploited?
There is no known exploitation of CVE-2026-94676 in the wild and no public exploit code.
Sources
Also known as GHSA-g3x7-hv56-2x6h.