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Vulnerability DatabaseCVE-2026-4525

CVE-2026-4525: 
HashiCorp Vault vulnerability analysis and mitigation

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.

Source: NVD

Related HashiCorp Vault vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-3605HIGH8.1
  • HashiCorp VaultHashiCorp Vault
  • cpe:2.3:a:hashicorp:vault
NoYesApr 17, 2026
CVE-2026-5807HIGH7.5
  • HashiCorp VaultHashiCorp Vault
  • cpe:2.3:a:hashicorp:vault
NoYesApr 17, 2026
CVE-2026-4525HIGH7.5
  • HashiCorp VaultHashiCorp Vault
  • cpe:2.3:a:hashicorp:vault
NoYesApr 17, 2026
CVE-2026-39883HIGH7.3
  • PackerPacker
  • kubernetes-csi-external-attacher-fips
NoYesApr 08, 2026
CVE-2026-5052MEDIUM5.3
  • HashiCorp VaultHashiCorp Vault
  • cpe:2.3:a:hashicorp:vault
NoYesApr 17, 2026

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