CVE-2025-41115CWE-266

CVE-2025-41115

Critical · published November 21, 2025

CVSS v3.1
10.0
EPSS
17%
Percentile
97.1
In the wild
Unconfirmed
What it is

🚨 A mischievous SCIM client could impersonate users just by sending a numeric ID! This alarming vulnerability in Grafana versions 12.x with SCIM provisioning enabled could lead to unchecked privilege escalation. 🔥 Think of it as a restaurant where anyone with a numeric reservation can slide in and take the place of another diner without a second glance — the staff never check identities, and chaos ensues! An attacker could manipulate user identities, granting themselves or others unauthorized access to sensitive data and actions within Grafana. This means a compromised SCIM client could effectively masquerade as any user, wreaking havoc in organizational settings. It’s a recipe for disaster, and with a CVSS score of 10, the implications are absolutely devastating!

Put simply

Think of it as a restaurant where anyone with a numeric reservation can slide in and take the place of another diner without a second glance — the staff never check identities, and chaos ensues! This vulnerability allows a malicious SCIM client to provision a user with an externalId that's just a number, subsequently overriding internal user IDs. This happens when both the `enableSCIM` feature flag and the `user_sync_enabled` config option are active in Grafana's SCIM settings.

What to do

An attacker could manipulate user identities, granting themselves or others unauthorized access to sensitive data and actions within Grafana. This means a compromised SCIM client could effectively masquerade as any user, wreaking havoc in organizational settings. It’s a recipe for disaster, and with a CVSS score of 10, the implications are absolutely devastating! To protect your organization, immediately review your Grafana settings. Disable the SCIM provisioning feature unless absolutely necessary, and ensure both the `enableSCIM` flag and `user_sync_enabled` option are set to false. Keep an eye on updates and patch to the latest version as soon as it's available! You’ve got this! Taking these steps will help secure your Grafana instance and keep your user data safe. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.17498 · 97.1th percentile
Weakness
CWE-266 · Incorrect Privilege Assignment
Published
2025-11-21T20:15Z
Affected products (1)
ProductVersionsFixed in
grafana/grafana≥ 12.0.0, < 12.2.112.2.1
References (1)
EPSS history
Timeline
  • 21 NOV 14:25Z
    Incorrect privilege assignment
    cvelistv5