Cross-site request forgery in server-runtime - CVE-2026-53663

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU134927

Cross-site request forgery in server-runtime - CVE-2026-53663

Published: June 19, 2026


Vulnerability identifier: #VU134927
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-53663
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform cross-site request forgery actions.

The vulnerability exists due to cross-site request forgery in document request handling when processing PUT, PATCH, or DELETE requests in framework mode. A remote attacker can cause the victim's browser to send a crafted cross-site request to perform cross-site request forgery actions.

This issue does not affect applications using declarative mode or data mode.


Affected software

server-runtime
React Router

How to mitigate CVE-2026-53663

Install security update from vendor's website.

server-runtime - update to 2.17.5
React Router - update to 7.15.1

External References

Related Security Bulletins