CVE-2026-26991
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
LibreNMS /device-groups name Stored Cross-Site Scripting
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | librenms/librenms | <26.2.0 | 26.2.0 |
References
- https://github.com/librenms/librenms/security/advisories/GHSA-5pqf-54qp-32wx
- https://nvd.nist.gov/vuln/detail/CVE-2026-26991
- https://github.com/librenms/librenms/pull/19041
- https://github.com/librenms/librenms/commit/64b31da444369213eb4559ec1c304ebfaa0ba12c
- https://github.com/librenms/librenms
- https://github.com/librenms/librenms/releases/tag/26.2.0
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.