{"id":"CVE-2026-123196","title":"Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata","summary":"Authorizer before 2.4.2 contains a password reset poisoning vulnerability that allows unauthenticated attackers to control emailed link hosts by supplying x-authorizer-url gRPC metadata. Attackers can send this metadata to the gRPC port …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-640"],"vendor":"authorizerdev","product":"authorizer","affected":["authorizer >= 2.3.0-rc.3 < 2.4.2"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T18:16:34.386Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123196","references":[{"url":"https://github.com/authorizerdev/authorizer/security/advisories/GHSA-m46m-j9p5-5j99","label":"GitHub Security Advisory (GHSA-m46m-j9p5-5j99)"},{"url":"https://github.com/authorizerdev/authorizer/pull/814"},{"url":"https://github.com/authorizerdev/authorizer/commit/b5012cbcdc7c32dcb4bd43179a212055e7fcb863"},{"url":"https://github.com/authorizerdev/authorizer/releases/tag/2.4.2","label":"authorizer 2.4.2 Release Notes"},{"url":"https://github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9cab/internal/grpcsrv/transport/grpc_metadata.go#L40"},{"url":"https://github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9cab/internal/gateway/mount.go#L244-L248"},{"url":"https://www.vulncheck.com/advisories/authorizer-before-2.4.2-password-reset-poisoning-via-x-authorizer-url-grpc-metadata","label":"VulnCheck Advisory: Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T22:38:31.454Z","slug":"CVE-2026-123196","body":"## Overview\n\nAuthorizer before 2.4.2 contains a password reset poisoning vulnerability that allows unauthenticated attackers to control emailed link hosts by supplying x-authorizer-url gRPC metadata. Attackers can send this metadata to the gRPC port or a Grpc-Metadata-X-Authorizer-Url header through the REST gateway to capture reset or magic-link tokens and take over accounts.\n\n## Affected\n\n- `authorizer >= 2.3.0-rc.3 < 2.4.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}