Vulnerability · Published May 13, 2026 · Assigned by GRAFANA
CVE-2026-28374IDOR in Annotations API allows unprivileged users to DELETE annotation
Medium 4.3
In plain English
A medium-severity improper access control in Grafana OSS from Grafana. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 90.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Grafana OSS | 8.5.0 – through 11.6.1411.6.14 – before 11.6.14+security-0412.0.0 – through 12.2.812.2.8 – before 12.2.8+security-0412.3.0 – through 12.3.612.3.6 – before 12.3.6+security-0412.4.0 – through 12.4.312.4.3 – before 12.4.3+security-02 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- https://grafana.com/security/security-advisories/cve-2026-28374 vendor-advisory