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CVE-2026-4525

HIGH CVSS: 7.5 Published: 2026-04-17 Modified: 2026-07-15

Description

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.

Affected Platforms

Hashicorp Vault

Weakness Type

CWE-201, CWE-201

References