CVE-2026-42473 Deserialization in n/a
An attacker can execute arbitrary code by exploiting unsafe deserialization in MixPHP Framework's file-based session and cache handlers.
- 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-2026-42473?
CVE-2026-42473 is a critical unsafe deserialization vulnerability in n/a, published on 1 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The session and cache handlers use unserialize() on data from the filesystem in the FileHandler object.
Weakness: CWE-502
Which versions are affected by CVE-2026-42473?
How do I fix CVE-2026-42473?
No fix has been published for CVE-2026-42473 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-2026-42473 being exploited?
There is no known exploitation of CVE-2026-42473 in the wild and no public exploit code.
Sources
Also known as GHSA-32hx-8wcv-5q49.