CVE-2025-14777
📋 TL;DR
This CVE describes an Insecure Direct Object Reference (IDOR) vulnerability in Keycloak's admin API. Authenticated attackers with fine-grained admin permissions for one client can delete or update authorization resources belonging to other clients within the same realm. This affects Keycloak deployments where multiple clients exist within realms and administrators have been granted specific resource management permissions.
💻 Affected Systems
- Keycloak
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
An attacker could delete or modify critical authorization resources across all clients in a realm, potentially disrupting authentication flows, escalating privileges, or causing denial of service for affected applications.
Likely Case
Malicious or compromised administrators could manipulate authorization resources for clients they shouldn't have access to, potentially bypassing intended access controls or disrupting specific client configurations.
If Mitigated
With proper role-based access controls and minimal privilege assignments, the impact is limited to administrators who already have some resource management permissions, reducing the attack surface.
🎯 Exploit Status
Exploitation requires authenticated access with specific admin permissions. The vulnerability is straightforward to exploit once an attacker has the required permissions and knows valid resource IDs.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Red Hat advisory for specific fixed versions
Vendor Advisory: https://access.redhat.com/security/cve/CVE-2025-14777
Restart Required: Yes
Instructions:
1. Check the Red Hat advisory for the specific fixed version of Keycloak
2. Update Keycloak to the patched version
3. Restart the Keycloak service
4. Verify the fix by testing the affected endpoints
🔧 Temporary Workarounds
Restrict Admin Permissions
allLimit fine-grained admin permissions to only trusted administrators and minimize the number of users with resource management capabilities.
Implement API Gateway Controls
allDeploy an API gateway or WAF with strict access controls to monitor and restrict admin API requests between clients.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Keycloak admin interfaces from untrusted networks
- Enforce multi-factor authentication for all administrative accounts and implement comprehensive audit logging
🔍 How to Verify
Check if Vulnerable:
Test if an administrator with permissions for Client A can modify or delete resources belonging to Client B using the ResourceSetService or PermissionTicketService endpoints with a valid resource ID.Check Version:
Check Keycloak version via admin console or server logsVerify Fix Applied:
After patching, repeat the vulnerability test to confirm administrators can only manage resources for clients they have explicit permissions for.📡 Detection & Monitoring
Log Indicators:
- Unusual patterns of resource deletion/modification across different client IDs
- Admin API requests where the client ID in authorization doesn't match the resource being accessed
Network Indicators:
- Multiple DELETE/PUT requests to authorization resource endpoints with varying client IDs from the same source
SIEM Query:
source="keycloak" AND (endpoint="ResourceSetService" OR endpoint="PermissionTicketService") AND action IN ("delete","update") | stats count by client_id, resource_id, user