CVE-2026-4525
If a Vault auth mount is configured to pass through the "Authorization" header, and the "Authorization" header is used to authenticate to Vault, Vault forwarded the Vault token to the auth plugin backend. Fixed in 2.0.0, 1.21.5, 1.20.10, and 1.19.16.
- Hashicorp Vault
- < 1.19.16, 2.0.0, 1.20.10, 1.21.5
- Fix
- Available
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 0.4% (33th percentile)
- Weakness
- CWE-201
- NVD status
- Modified
- Published
- 2026-04-17
- Attack patterns
- CAPEC-118
CVE-2026-4525 at NVD
No indexed exploits for CVE-2026-4525 yet
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No exploit for CVE-2026-4525 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.