SQL injection in Symfony - CVE-2026-45073
Published: May 21, 2026
Vulnerability identifier: #VU132064
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-45073
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: SensioLabs
Affected software:
Symfony
Symfony
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary SQL commands.
The vulnerability exists due to SQL injection in PdoAdapter::doClear() when processing a caller-supplied cache key prefix in the non-versioning code path. A remote user can supply a specially crafted prefix value to execute arbitrary SQL commands.
The issue affects the PDO-backed cache adapter's clear($prefix) behavior.
How to mitigate CVE-2026-45073
Install security update from vendor's website.