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CVE-2026-4525

8.8 high SSVC exploitation: none Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.8 · hashicorpNVD modified 2026-10-25 23:10

Affected (CPE criteria) 2

  • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*

References 4