CVE-2026-2737 Possibility of unintended actions when an administrator clicks a malicious link in the Progress Flowmon web application
An attacker can trick an administrator into clicking a malicious link to perform unintended actions in their authenticated session.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-2737?
CVE-2026-2737 is a high-severity cross-site scripting vulnerability in Progress Software Flowmon, published on 2 Apr 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability exists in Progress Flowmon versions prior to 12.5.8 and 13.0.6, whereby an administrator who clicks a malicious link provided by an attacker may inadvertently trigger unintended actions within their authenticated web session.
Weakness: CWE-79
Which versions are affected by CVE-2026-2737?
It affects 1 product.
Products include Progress Flowmon.
How do I fix CVE-2026-2737?
No fix has been published for CVE-2026-2737 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-2737 being exploited?
There is no known exploitation of CVE-2026-2737 in the wild and no public exploit code.
Other vulnerabilities in Progress Software Flowmon
Sources
Also known as GHSA-g7f7-cc3w-5g3g.