CVE-2025-13762 Client-Side Denial of Service Condition in SWS Extension prior to version 2.2.30305
Attackers can cause a denial of service in the CyberArk Secure Web Sessions browser extension by triggering improper input validation during session startup.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-13762?
CVE-2025-13762 is a medium-severity denial of service vulnerability in CyberArk Secure Web Sessions Extension, published on 27 Nov 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper Input Validation vulnerability in CyberArk CyberArk Secure Web Sessions Extension on Chrome, Edge allows Denial of Service when trying to starting new SWS sessions.This issue affects CyberArk Secure Web Sessions Extension: before 2.2.30305.
Weakness: CWE-20
Which versions are affected by CVE-2025-13762?
How do I fix CVE-2025-13762?
No fix has been published for CVE-2025-13762 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-13762 being exploited?
There is no known exploitation of CVE-2025-13762 in the wild and no public exploit code.
Sources
Also known as GHSA-5mpf-fq9j-7qf9.