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High-risk vulnerability digests

CVE-2026-4525

  • HIGH

Security Bulletin: Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header

Details

CVSS v3
7.5
NVD published
2026-04-17 04:16:09
EPSS
<0.1% probability · 5.0th percentile — 2026-05-11
Affected versions
cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
Summary
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.
Remediation
Not available in our cache.
Exploit info
Not available in our cache.

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