CVE-2026-2514

Cross-site scripting via crafted monitoring data

Published Mar 12, 2026 · Updated Mar 12, 2026

Cross-site scripting in Progress Flowmon ADS 12 before 12.5.5 and 13 before 13.0.3 allows attackers to execute actions in a user's browser. Progress has not disclosed which flow-data field reaches the web interface or which output-neutralization operation fails. Exploitation requires crafted network data to reach a monitoring port and an authenticated user to view the processed result; the resulting actions are otherwise unspecified.

CVSS severity8.6
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Progress Flowmon ADS 12 before 12.5.5 and 13 before 13.0.3 allows attackers to execute actions in a user's browser. Progress has not disclosed which flow-data field reaches the web interface or which output-neutralization operation fails. Exploitation requires crafted network data to reach a monitoring port and an authenticated user to view the processed result; the resulting actions are otherwise unspecified.

The record

CVE
CVE-2026-2514
Published
Mar 12, 2026
Updated
Mar 12, 2026
Vendor
Progress Software Corporation
Product
Flowmon ADS
Classifications
CWE-79, T1203
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Flowmon ADS 12 versions prior to 12.5.5
  2. Affected versionversion=Flowmon ADS 13 versions prior to 13.0.3

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Progress Software Corporation · Flowmon ADSversion=Flowmon ADS 12 versions prior to 12.5.5; version=Flowmon ADS 13 versions prior to 13.0.3

Published CVSS scores

8.6Progress Software CorporationCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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