CVE-2026-21721
high
CVSS v3
โ
CVSS v4 NEW
โ
VIR risk
8.0
Description
Important: grafana security update
Predictions
Exploit likelihood
20%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| rocky | 9 | fixed | |
References
- https://access.redhat.com/errata/RHSA-2026:2920
- https://www.suse.com/security/cve/CVE-2026-21721.html
- https://errata.rockylinux.org/RLSA-2026:2920
- https://bugzilla.redhat.com/2418462
- https://bugzilla.redhat.com/2433242
- https://bugzilla.redhat.com/2434431
- https://bugzilla.redhat.com/2434432
- https://bugzilla.redhat.com/2437111
- https://errata.almalinux.org/9/ALSA-2026-2920.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.