CVE-2026-123196
Dashboard / Vulnerabilities / CVE-2026-123196
Summary: Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata
Details: 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 or a Grpc-Metadata-X-Authorizer-Url header through the REST gateway to capture reset or magic-link tokens and take over accounts.
References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123196.json, https://github.com/authorizerdev/authorizer/releases/tag/2.4.2, https://github.com/authorizerdev/authorizer/security/advisories/GHSA-m46m-j9p5-5j99, https://nvd.nist.gov/vuln/detail/CVE-2026-123196, https://www.vulncheck.com/advisories/authorizer-before-2.4.2-password-reset-poisoning-via-x-authorizer-url-grpc-metadata, https://github.com/authorizerdev/authorizer/commit/b5012cbcdc7c32dcb4bd43179a212055e7fcb863, https://github.com/authorizerdev/authorizer/pull/814, https://github.com/authorizerdev/authorizer, https://github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9cab/internal/gateway/mount.go#L244-L248, https://github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9cab/internal/grpcsrv/transport/grpc_metadata.go#L40
Affected packages
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Affected ranges
Type: GIT
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