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How the CVE Works
The vulnerability (CVE-2025-12345) allows a privileged Vault operator with write access to the root namespace’s identity endpoint to escalate privileges. By manipulating token permissions, an attacker can assign the root policy to their own or another user’s token. This flaw exists due to improper access controls in versions >= 0.10.4 and < 1.20.0. The issue was patched in Vault Community Edition 1.20.0 and Enterprise versions 1.20.0, 1.19.6, 1.18.11, and 1.16.22.
DailyCVE Form
Platform: Hashicorp Vault
Version: >= 0.10.4, < 1.20.0
Vulnerability: Privilege Escalation
Severity: High
Date: Aug 1, 2025
Prediction: Patch expected by Aug 1, 2025
What Undercode Say
Analytics:
vault token lookup -namespace=root vault policy write root malicious_policy.hcl
How Exploit:
1. Authenticate as a privileged operator.
2. Write malicious policy to root namespace.
3. Assign root policy to target token.
Protection from this CVE:
- Upgrade to Vault 1.20.0+
- Restrict root namespace access.
- Monitor identity endpoint writes.
Impact:
- Full Vault compromise.
- Unauthorized data access.
- Policy manipulation.
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Sources:
Reported By: github.com
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