Vulnerability in Authorizerdev Authorizer
CVE-2026-123196
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9c… (technical-description)
- github.com/authorizerdev/authorizer/blob/0bceb94f0ab726d9c396202f4d8fbedee1dc9c… (technical-description)
- github.com/authorizerdev/authorizer/commit/b5012cbcdc7c32dcb4bd43179a212055e7fc… (patch)
- github.com/authorizerdev/authorizer/pull/814 (issue-tracking, patch)
- authorizer 2.4.2 Release Notes (release-notes)
- GitHub Security Advisory (GHSA-m46m-j9p5-5j99) (vendor-advisory)
- VulnCheck Advisory: Authorizer before 2.4.2 Password Reset Poisoning via x-authorizer-url gRPC metadata (third-party-advisory)
Frequently asked questions
- What is CVE-2026-123196?
- CVE-2026-123196 is a high-severity vulnerability in Authorizerdev Authorizer, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 8.1/10. Published 2026-11-05.
- How severe is CVE-2026-123196?
- High severity. CVSS v3 base score is 8.1 out of 10.