CVE-2026-2514: Progress Software Flowmon ADS · Cross-site Scripting
Affects Progress Software Flowmon ADSSource CVE Database V5
Not known to be exploited · CVSS 8.6 High.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 12 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareFlowmon ADS | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2026-2514, organizations should promptly upgrade Flowmon ADS to version 12.5.5 or 13.0.3 or later, where the vulnerability is patched. Until upgrades are applied, restrict access to Flowmon monitoring ports to trusted administrators and network segments, employing network segmentation and firewall rules to limit exposure. Implement strict access controls and multi-factor authentication for the Flowmon ADS web interface to reduce the risk of unauthorized access. Educate users about the risks of interacting with untrusted or suspicious monitoring data. Additionally, monitor logs and network traffic for unusual activity that may indicate exploitation attempts. Employ web application firewalls (WAFs) with custom rules to detect and block malicious payloads targeting the Flowmon interface. Regularly review and update security policies related to network monitoring tools to ensure timely application of patches and adherence to best practices.
Description
CVE-2026-2514 is a high-severity cross-site scripting (XSS) vulnerability in Progress Software's Flowmon ADS versions prior to 12.5.5 and 13.0.3. An attacker with access to Flowmon monitoring ports can send malicious network data that, when processed and viewed by an authenticated user, executes unintended scripts in the user's browser. This vulnerability requires no authentication or privileges but does require user interaction to view the malicious data. Exploitation can lead to compromise of confidentiality, integrity, and availability of user sessions and data. No known exploits are currently reported in the wild. Organizations using affected versions should upgrade to the fixed releases to mitigate risk.