CVE-2026-4525

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Source
https://cve.org/CVERecord?id=CVE-2026-4525
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4525.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-4525
Aliases
Downstream
Related
Published
2026-04-17T03:00:47.561Z
Modified
2026-07-16T03:30:49.701526371Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Vault Token Leaked to Backends via Authorization: Bearer Passthrough Header
Details

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.

Database specific 
{
    "cwe_ids": [
        "CWE-201"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4525.json",
    "cna_assigner": "HashiCorp"
}
References

Affected packages

Git / github.com/hashicorp/vault

Affected ranges

Type
GIT
Repo
https://github.com/hashicorp/vault
Events
Introduced
2b1a4304374712953ff606c6a925bbe90a4e85dd
Fixed
cf1ce4df8af6e323558bd5f8c37e771388cbc951
Database specific 
{
    "cpe": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.11.2"
        },
        {
            "fixed": "2.0.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

api/auth/approle/v0.*
api/auth/approle/v0.1.0
api/auth/approle/v0.1.1
api/auth/approle/v0.10.0
api/auth/approle/v0.2.0
api/auth/approle/v0.3.0
api/auth/approle/v0.4.0
api/auth/approle/v0.4.1
api/auth/approle/v0.5.0
api/auth/approle/v0.6.0
api/auth/approle/v0.7.0
api/auth/approle/v0.8.0
api/auth/approle/v0.9.0
api/auth/aws/v0.*
api/auth/aws/v0.1.0
api/auth/aws/v0.10.0
api/auth/aws/v0.2.0
api/auth/aws/v0.3.0
api/auth/aws/v0.4.0
api/auth/aws/v0.4.1
api/auth/aws/v0.5.0
api/auth/aws/v0.6.0
api/auth/aws/v0.7.0
api/auth/aws/v0.8.0
api/auth/aws/v0.9.0
api/auth/azure/v0.*
api/auth/azure/v0.1.0
api/auth/azure/v0.2.0
api/auth/azure/v0.3.0
api/auth/azure/v0.4.0
api/auth/azure/v0.4.1
api/auth/azure/v0.5.0
api/auth/azure/v0.6.0
api/auth/azure/v0.7.0
api/auth/azure/v0.8.0
api/auth/azure/v0.9.0
api/auth/gcp/v0.*
api/auth/gcp/v0.1.0
api/auth/gcp/v0.10.0
api/auth/gcp/v0.2.0
api/auth/gcp/v0.3.0
api/auth/gcp/v0.4.0
api/auth/gcp/v0.4.1
api/auth/gcp/v0.5.0
api/auth/gcp/v0.6.0
api/auth/gcp/v0.7.0
api/auth/gcp/v0.8.0
api/auth/gcp/v0.9.0
api/auth/kubernetes/v0.*
api/auth/kubernetes/v0.1.0
api/auth/kubernetes/v0.10.0
api/auth/kubernetes/v0.2.0
api/auth/kubernetes/v0.3.0
api/auth/kubernetes/v0.4.0
api/auth/kubernetes/v0.4.1
api/auth/kubernetes/v0.5.0
api/auth/kubernetes/v0.6.0
api/auth/kubernetes/v0.7.0
api/auth/kubernetes/v0.8.0
api/auth/kubernetes/v0.9.0
api/auth/ldap/v0.*
api/auth/ldap/v0.1.0
api/auth/ldap/v0.10.0
api/auth/ldap/v0.2.0
api/auth/ldap/v0.3.0
api/auth/ldap/v0.4.0
api/auth/ldap/v0.4.1
api/auth/ldap/v0.5.0
api/auth/ldap/v0.6.0
api/auth/ldap/v0.7.0
api/auth/ldap/v0.8.0
api/auth/ldap/v0.9.0
api/auth/userpass/v0.*
api/auth/userpass/v0.1.0
api/auth/userpass/v0.10.0
api/auth/userpass/v0.2.0
api/auth/userpass/v0.3.0
api/auth/userpass/v0.4.0
api/auth/userpass/v0.4.1
api/auth/userpass/v0.5.0
api/auth/userpass/v0.6.0
api/auth/userpass/v0.7.0
api/auth/userpass/v0.8.0
api/auth/userpass/v0.9.0
api/v1.*
api/v1.0.1
api/v1.0.2
api/v1.0.3
api/v1.0.4
api/v1.1.1
api/v1.10.0
api/v1.11.0
api/v1.12.0
api/v1.12.1
api/v1.12.2
api/v1.13.0
api/v1.14.0
api/v1.15.0
api/v1.16.0
api/v1.2.0
api/v1.20.0
api/v1.21.0
api/v1.3.1
api/v1.5.0
api/v1.6.0
api/v1.7.0
api/v1.7.1
api/v1.7.2
api/v1.8.0
api/v1.8.1
api/v1.8.2
api/v1.8.3
api/v1.9.0
api/v1.9.1
api/v1.9.2
Other
last-go-modable
main-creation
sdk/v0.*
sdk/v0.1.10
sdk/v0.1.11
sdk/v0.1.12
sdk/v0.1.13
sdk/v0.1.8
sdk/v0.1.9
sdk/v0.10.0
sdk/v0.10.1
sdk/v0.11.0
sdk/v0.11.1
sdk/v0.12.0
sdk/v0.13.0
sdk/v0.14.0
sdk/v0.14.1
sdk/v0.15.0
sdk/v0.16.0
sdk/v0.17.0
sdk/v0.18.0
sdk/v0.19.0
sdk/v0.2.1
sdk/v0.3.0
sdk/v0.4.1
sdk/v0.5.0
sdk/v0.5.1
sdk/v0.5.3
sdk/v0.6.0
sdk/v0.6.1
sdk/v0.6.2
sdk/v0.7.0
sdk/v0.8.0
sdk/v0.9.0
sdk/v0.9.1
sdk/v0.9.2
v0.*
v0.11.2
v1.*
v1.0.0
v1.0.0-beta1
v1.0.0-beta2
v1.0.0-rc1
v1.0.1
v1.0.2
v1.0.3
v1.1.0
v1.1.0-beta1
v1.1.0-beta2
v1.1.1
v1.2.0
v1.2.0-beta1
v1.2.0-beta2
v1.2.0-rc1
v2.*
v2.0.0-rc1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4525.json"