Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-4525 · Microsoft / collected KEV context

EUVD-2026-23345

GHSA-72gw-fmmr-c4r4

BIT-vault-2026-4525

GO-2026-5199

cve-program · CVE-2026-4525

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

euvd · EUVD-2026-23345

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

nvd · CVE-2026-4525

• 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

osv · GHSA-72gw-fmmr-c4r4

• https://nvd.nist.gov/vuln/detail/CVE-2026-4525
• https://access.redhat.com/security/cve/CVE-2026-4525
• https://bugzilla.redhat.com/show_bug.cgi?id=2459107
• https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344
• https://github.com/advisories/GHSA-72gw-fmmr-c4r4
• https://github.com/hashicorp/vault
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4525.json

osv · GO-2026-5199

• https://github.com/advisories/GHSA-72gw-fmmr-c4r4
• https://nvd.nist.gov/vuln/detail/CVE-2026-4525
• https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344

No related operational record is retained in the current change model.