CVE-2026-29001 TastyIgniter 4.4.5 PHP Object Injection via Settings Deserialization
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-29001?
CVE-2026-29001 is a high-severity vulnerability in TastyIgniter, published on 21 Oct 2026.
Official description
TastyIgniter through 4.4.5 contain a PHP object injection vulnerability that allows authenticated administrators to achieve arbitrary code execution by submitting a serialized PHP object as a settings value, which is stored unsanitized and later unserialized by getValueAttribute() when the setting is read. Attackers can submit a serialized gadget chain, such as one generated via phpggc, through the admin settings form (for example the maintenance_message setting loaded by CheckMaintenance.php) to achieve arbitrary operating-system command execution as the PHP application process user, with the impact persisting until the value is overwritten.
Weakness: CWE-502
Which versions are affected by CVE-2026-29001?
How do I fix CVE-2026-29001?
No fix has been published for CVE-2026-29001 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-29001 being exploited?
There is no known exploitation of CVE-2026-29001 in the wild and no public exploit code.
Sources
Also known as GHSA-736x-jrr3-jq2x.