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Vulnerabilities

Vulnerability · CVE-2025-55296

librenms is a community-based GPL-licensed network monitoring system.

Published Aug 18, 2025 · catalog updated Aug 18, 2025 · librenms is a community-based

Check this week

CVE-2025-55296 is not in CISA KEV. FIRST estimates a 14.81% chance of exploitation in the next 30 days. Check whether you run librenms is a community-based.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (librenms is a community-based).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
14.81%
Remediation
Version ranges on file
Affected products
vendor librenms librenms < 25.8.0

librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be executed when the template is rendered, potentially compromising other admin accounts. This vulnerability is fixed in 25.8.0.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor librenms librenms < 25.8.0< 25.8.0

How to fix CVE-2025-55296

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-55296 is not in CISA KEV. FIRST estimates a 14.81% chance of exploitation in the next 30 days. Check whether you run librenms is a community-based.

Which versions are affected?

Compare what you have installed with librenms librenms < 25.8.0 < 25.8.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 14.81%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 18, 2025 · EUVD

    Detected

    librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be executed when the template is rendered, potentially compromising other admin accounts. This vulnerability is fixed in 25.8.0

  2. Aug 18, 2025 · EUVD

    Updated

    librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be executed when the template is rendered, potentially compromising other admin accounts. This vulnerability is fixed in 25.8.0

Sources

  • CVE.orgVulnerability recordCVE-2025-55296

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-55296

    30-day exploitation probability 14.81%

    first.org
  • EUVDVulnerability recordEUVD-2025-25142

    librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be exec

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.