脆弱性の種類
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.
影響を受ける製品
- hashicorp vault
参考情報
- 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