Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 0.4%
probabilidade de exploração
0.4%top 65% das CVEs
exploração observada
nãonenhuma fonte reporta
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Referências
https://access.redhat.com/security/cve/CVE-2026-4525https://bugzilla.redhat.com/show_bug.cgi?id=2459107https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4525.json