CVE-2026-26989
unknown
CVSS v3
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CVSS v2
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VIR risk
—
Description
LibreNMS has a Stored XSS in Alert Rule
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | librenms/librenms | <26.2.0 | 26.2.0 |
References
- https://github.com/librenms/librenms/security/advisories/GHSA-6xmx-xr9p-58p7
- https://nvd.nist.gov/vuln/detail/CVE-2026-26989
- https://github.com/librenms/librenms/pull/19039
- https://github.com/librenms/librenms/commit/087608cf9f851189847cb8e8e5ad002e59170c58
- https://github.com/librenms/librenms
- https://github.com/librenms/librenms/releases/tag/26.2.0
Verify integrity in audit chain (admin only). AS-IS.