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{"affected":[{"affectedData":[{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Vault","repo":"https://github.com/hashicorp/vault","vendor":"HashiCorp","versions":[{"lessThan":"2.0.0","status":"affected","version":"0.11.2","versionType":"semver"}]},{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Vault Enterprise","repo":"https://github.com/hashicorp/vault","vendor":"HashiCorp","versions":[{"changes":[{"at":"1.19.16","status":"unaffected"},{"at":"1.20.10","status":"unaffected"},{"at":"1.21.5","status":"unaffected"}],"lessThan":"2.0.0","status":"affected","version":"0.11.2","versionType":"semver"}]}],"source":"security@hashicorp.com"},{"affectedData":[{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"unaffected","packageName":"openshift4/ose-baremetal-installer-rhel9","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"unaffected","packageName":"openshift4/ose-installer-rhel9","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_data_foundation:4"],"defaultStatus":"unaffected","packageName":"cephcsi-rhel8","product":"Red Hat Openshift Data Foundation 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_data_foundation:4"],"defaultStatus":"unaffected","packageName":"cephcsi-rhel9","product":"Red Hat Openshift Data Foundation 4","vendor":"Red 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Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_data_foundation:4"],"defaultStatus":"affected","packageName":"odf4/mcg-cli-rhel9","product":"Red Hat Openshift Data Foundation 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_data_foundation:4"],"defaultStatus":"affected","packageName":"odf4/mcg-rhel8-operator","product":"Red Hat Openshift Data Foundation 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift_data_foundation:4"],"defaultStatus":"affected","packageName":"odf4/mcg-rhel9-operator","product":"Red Hat Openshift Data Foundation 4","vendor":"Red Hat"}],"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","matchCriteriaId":"E12BA6D9-0FDE-4CA9-8D01-35CD029D15D2","versionEndExcluding":"1.19.16","versionStartIncluding":"0.11.2","vulnerable":true},{"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*","matchCriteriaId":"48995D65-70D6-476A-ACD7-2A8F527D2975","versionEndExcluding":"2.0.0","versionStartIncluding":"0.11.2","vulnerable":true},{"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","matchCriteriaId":"E2135CCF-F6D8-41AC-8D0C-F763F63974B4","versionEndExcluding":"1.20.10","versionStartIncluding":"1.20.0","vulnerable":true},{"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","matchCriteriaId":"C8097BD2-0B19-4BA7-930E-93A5A89EC4AF","versionEndExcluding":"1.21.5","versionStartIncluding":"1.21.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Si un montaje de autenticación de Vault está configurado para pasar el encabezado ’Authorization’, y el encabezado ’Authorization’ se utiliza para autenticarse en Vault, Vault reenvió el token de Vault al backend del plugin de autenticación. Corregido en 2.0.0, 1.21.5, 1.20.10 y 1.19.16."}],"id":"CVE-2026-4525","lastModified":"2026-10-25T23:10:00.167","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.6,"impactScore":5.9,"source":"security@hashicorp.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"},{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.6,"impactScore":5.9,"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-4525","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","timestamp":"2026-04-17T13:19:26.452614Z","version":"2.0.3"}}]},"published":"2026-04-17T04:16:09.997","references":[{"source":"security@hashicorp.com","tags":["Vendor Advisory"],"url":"https://discuss.hashicorp.com/t/hcsec-2026-07-vault-may-expose-tokens-to-auth-plugins-due-to-incorrect-header-sanitization/77344"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://access.redhat.com/security/cve/CVE-2026-4525"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2459107"},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4525.json"}],"sourceIdentifier":"security@hashicorp.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-201"}],"source":"security@hashicorp.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-201"}],"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary"}]}