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.

INFO

Published Date :

2026-04-17T03:00:47.561Z

Last Modified :

2026-04-17T03:00:47.561Z

Source :

HashiCorp
AFFECTED PRODUCTS

The following products are affected by CVE-2026-4525 vulnerability.

Vendors Products
Hashicorp
  • Vault
  • Vault Enterprise
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4525.

URL Resource
https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344 cve-icon cve-icon
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