High severity · published Oct 28, 2026
CVE-2026-100105
Alerting contact point authorization bypass via schema downgrade
New
7.7
CVSS
–
EPSS
No
On KEV
Description
A user with permission to edit contact points but not their protected fields can change protected settings, such as a contact point's destination URL, by switching an integration to a legacy schema version, which can expose stored credentials and redirect alert notifications (incorrect authorization).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
12.4.0 through 12.4.13; 13.0.0 through 13.0.11; 13.1.0 through 13.1.8; 13.2.0 through 13.2.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100105
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100105
grafana.com
https://grafana.com/security/security-advisories/cve-2026-100105
More from Grafana
7.5
CVE-2021-43798
Grafana path traversal
7.3
CVE-2021-39226
Snapshot authentication bypass in grafana
9.9
CVE-2025-11539
Arbitrary Code Execution in Grafana Image Renderer Plugin
9.8
CVE-2025-41115
Incorrect privilege assignment
9.8
CVE-2023-3128
Grafana is validating Azure AD accounts based on the email claim