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CVE-2026-2728GHSA-5GM9-622F-QCG5

LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page.

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 26.3.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • librenms librenms

    fixed in 26.3.0

  • librenms/librenmsPackagist

    From 25.12.0 · fixed in 26.3.0

References 1

projectblack.io