Incorrect authorization in Symfony - CVE-2026-48489
Published: June 1, 2026
Vulnerability identifier: #VU133111
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-48489
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: SensioLabs
Affected software:
Symfony
Symfony
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to incorrect authorization checks when failure_forward is enabled. A remote attacker can manipulate the _failure_path parameter and gain access to sensitive information on the system.
How to mitigate CVE-2026-48489
Install updates from vendor's website.