8.5

CVE-2026-2737: progress software flowmon Cross-site Scripting

CVSS: 8.5v4.0HighAnalyzed
Published 02-04-2026Last modified 03-04-2026
Open JSON

Vulnerability summary

CVE-2026-2737 is a high (CVSS 8.5) Cross-site Scripting vulnerability in progress software flowmon. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.4% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.25%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-04-2026
    PublishedVulnerability first disclosed.
  2. 03-04-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

+0.06 pp

From 0.20% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Progress1 product
  • flowmon≥ 12.0.0, < 12.5.8 | ≥ 13.0.0, < 13.0.6
Progress software1 product
  • flowmonFlowmon 12 versions prior to 12.5.8 | Flowmon 13 versions prior to 13.0.6

2 vendors · 2 products

References

1 links