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How the CVE Works
CVE-2025-6948 is a critical code injection vulnerability in GitLab CE/EE versions 17.11 to 17.11.6, 18.0 to 18.0.4, and 18.1 to 18.1.2. The flaw arises due to insufficient input validation in user-controlled data processing. An attacker can inject malicious content, such as crafted API requests or webhooks, leading to arbitrary command execution under the context of the victim’s permissions. This occurs when GitLab fails to properly sanitize user-supplied input before processing it in CI/CD pipelines or merge request handlers. The exploit chain involves tricking GitLab into interpreting attacker-controlled payloads as legitimate system commands, enabling privilege escalation or unauthorized repository modifications.
DailyCVE Form
Platform: GitLab
Version: 17.11-18.1.2
Vulnerability: Code Injection
Severity: Critical
Date: 07/25/2025
Prediction: Patch by 08/15/2025
What Undercode Say
curl -X POST -H "Content-Type: application/json" -d '{"payload":"malicious_script"}' https://gitlab-instance/api/v4/ci
import requests
requests.post("https://gitlab-instance/webhook", json={"inject": "&& rm -rf /"})
How Exploit
- Craft malicious CI/CD pipeline triggers.
- Abuse webhook handlers with OS command injections.
- Leverage merge request approvals to execute payloads.
Protection from this CVE
- Upgrade to GitLab 17.11.6/18.0.4/18.1.2+.
- Disable unrestricted CI/CD variables.
- Audit webhook integrations.
Impact
- Remote code execution (RCE).
- Unauthorized repo/data access.
- CI/CD pipeline compromise.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
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