Medium severity · published May 13, 2026
CVE-2026-28374
IDOR in Annotations API allows unprivileged users to DELETE annotation
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
8.5.0 through 11.6.14; 11.6.14 before 11.6.14+security-04; 12.0.0 through 12.2.8; 12.2.8 before 12.2.8+security-04; 12.3.0 through 12.3.6; 12.3.6 before 12.3.6+security-04; +4 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28374
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28374
Vendor Advisory
https://grafana.com/security/security-advisories/cve-2026-28374
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