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High severity7.5NVD Advisory· Published Apr 17, 2026· Updated Apr 27, 2026

CVE-2026-4525

CVE-2026-4525

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 packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/hashicorp/vaultGo
>= 0.11.2, <= 1.21.4—

Affected products

2
  • Hashicorp/Vault2 versions
    cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*+ 1 more
    • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*range: >=0.11.2,<1.19.16
    • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*range: >=0.11.2,<2.0.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

No linked articles in our index yet.