CVE-2026-15577: Git Sync connection configuration can be modified with read-only access

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-16
Weakness: CWE-863

Description

A user or service account with read-only access to Git Sync (provisioning) connections can modify a connection's configuration through its status subresource (incorrect authorization). On Grafana 12.4 the affected API is only available when the experimental provisioning feature toggle is enabled.

Affected products

Grafana: from 12.4.0 before 12.4.13; from 13.0.0 before 13.0.11; from 13.1.0 before 13.1.8; from 13.2.0 before 13.2.4 — fixed in 12.4.13, 13.0.11, 13.1.8, 13.2.4

How to fix

Upgrade to a fixed version: Grafana 12.4.13, 13.0.11, 13.1.8, 13.2.4. Check the vendor advisory for mitigations.

References

https://grafana.com/security/security-advisories/cve-2026-15577

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