CVE-2026-2514 Possibility of unintended actions when viewing maliciously crafted network data in Progress Flowmon ADS web application

High 8.6 Published 12 Mar 2026 Updated 13 Mar 2026

An attacker can execute unintended actions in a user's browser by crafting malicious network data viewed in the Flowmon ADS web application.

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-2026-2514?

CVE-2026-2514 is a high-severity cross-site scripting vulnerability in Progress Software Flowmon ADS, published on 12 Mar 2026. 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

In Progress Flowmon ADS versions prior to 12.5.5 and 13.0.3, a vulnerability exists whereby an adversary with access to Flowmon monitoring ports may craft malicious network data that, when processed by Flowmon ADS and viewed by an authenticated user, could result in unintended actions being executed in the user's browser context.

Weakness: CWE-79

Which versions are affected by CVE-2026-2514?

It affects 1 product.

Products include Progress Flowmon Anomaly Detection System.

How do I fix CVE-2026-2514?

No fix has been published for CVE-2026-2514 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-2026-2514 being exploited?

There is no known exploitation of CVE-2026-2514 in the wild and no public exploit code.

Sources

Also known as GHSA-86m2-9852-4x9r.