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CVE-2026-123196Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata
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.
8.6 HIGHEPSS 0.35%Not in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.6 | HIGH | 4.0VulnCheck (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| 8.1 | HIGH | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
Details
- CVE ID
- CVE-2026-123196
- Status
- Deferred
- Assigner (CNA)
- VulnCheck
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 19:17 UTC
- Weaknesses
- CWE-640 · Weak Password Recovery Mechanism for Forgotten Password
Affected Products
As published by the CNA in the CVE record.
authorizerdevauthorizer1 version range
- 2.3.0-rc.3 before 2.4.2
References
- github.com https://github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9cab/internal/gateway/mount.go#L244-L248
- github.com https://github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9cab/internal/grpcsrv/transport/grpc_metadata.go#L40
- github.com https://github.com/authorizerdev/authorizer/commit/b5012cbcdc7c32dcb4bd43179a212055e7fcb863
- github.com https://github.com/authorizerdev/authorizer/pull/814
- github.com https://github.com/authorizerdev/authorizer/releases/tag/2.4.2
- github.com https://github.com/authorizerdev/authorizer/security/advisories/GHSA-m46m-j9p5-5j99
- vulncheck.com https://www.vulncheck.com/advisories/authorizer-before-2.4.2-password-reset-poisoning-via-x-authorizer-url-grpc-metadata