Vulnerability · Published May 1, 2026 · Assigned by mitre
CVE-2026-42473
Critical 9.8
In plain English
A critical-severity unsafe deserialization in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 67.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H