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
EPSS: 0.004 (29.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
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)
- github.com/authorizerdev/authorizer/releases/tag/2.4.2 (release-notes)
- github.com/authorizerdev/authorizer/security/advisories/GHSA-m46m-j9p5-5j99 (vendor-advisory)
- www.vulncheck.com/advisories/authorizer-before-2.4.2-password-reset-poisoning-v… (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.