CVE-2026-2513: 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 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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-2026-2513, organizations should immediately upgrade Flowmon ADS to versions 12.5.5 or later for the 12.x branch, or 13.0.3 or later for the 13.x branch, where the vulnerability has been patched. Until patches are applied, organizations should implement strict email and web filtering to reduce the risk of administrators receiving malicious links. Training and awareness programs should emphasize caution when clicking links, especially those received via unsolicited or unexpected communications. Additionally, enable multi-factor authentication (MFA) for administrative accounts to reduce the impact of session hijacking. Network segmentation and least privilege principles should be enforced to limit the scope of potential compromise. Monitoring for unusual administrative activities and anomalous web session behaviors can help detect exploitation attempts. Finally, review and harden web application firewall (WAF) rules to detect and block XSS payloads targeting the Flowmon ADS interface.
Description
CVE-2026-2513 is a high-severity cross-site scripting (XSS) vulnerability in Progress Software Flowmon ADS versions prior to 12.5.5 and 13.0.3. It allows an attacker to craft a malicious link that, when clicked by an administrator, can trigger unintended actions within their authenticated web session. The vulnerability arises from improper neutralization of input during web page generation (CWE-79). Exploitation requires user interaction (clicking the malicious link) but does not require prior authentication. The CVSS 4.0 score is 8.