CVE-2026-4525Published
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, an…
Exact source revision recorded 27 Oct 2026 11:12:23 UTC. It does not establish the source's current position. Latest evidence.
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CVE-2026-4525 · Microsoft / collected KEV context
nvd · CVE-2026-4525
- https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344
- https://access.redhat.com/security/cve/CVE-2026-4525
- https://bugzilla.redhat.com/show_bug.cgi?id=2459107
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4525.json
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