CVE-2026-79656
Published:October 28, 2026
Updated:October 29, 2026
A user with read access to Grafana's server logs, or to a log store they are shipped to, can recover the OAuth and OIDC access, refresh and ID tokens of users who sign in through the Generic OAuth, Google or GitLab providers. Grafana writes these tokens to its logs unredacted when an access or ID token is not a valid JWT, when the ID token is missing (at debug level) or is not a string (exposure of sensitive information in log files). The exposure is bounded by the scopes granted to the configured OAuth client.
Affected Packages
https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v5.0.0 <v12.4.11Fix Suggestion:
Update to version v12.4.11https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v13.1.0 <v13.1.6Fix Suggestion:
Update to version v13.1.6https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v13.0.0 <v13.0.9Fix Suggestion:
Update to version v13.0.9https://github.com/grafana/grafana.git (GITHUB):
Affected version(s) >=v13.2.0 <v13.2.2Fix Suggestion:
Update to version v13.2.2Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Insertion of Sensitive Information into Log File