What is GHSA-74r7-3mjm-jc5v?

GHSA-74r7-3mjm-jc5v is a security advisory published by GitHub Security Advisories with Medium severity. eduMFA: Unauthenticated Failcounter Increment on Resolver Tokens via /validate/check

Why does GHSA-74r7-3mjm-jc5v have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

What is the CVSS v3 score of GHSA-74r7-3mjm-jc5v?

GHSA-74r7-3mjm-jc5v has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

Which products are affected by GHSA-74r7-3mjm-jc5v?

GHSA-74r7-3mjm-jc5v affects 1 product, including: pip/edumfa:\u003c 2.9.1.

GHSA-74r7-3mjm-jc5vMediumCVSS 6.5Disclosed before NVD

eduMFA: Unauthenticated Failcounter Increment on Resolver Tokens via /validate/check

Vendor

GitHub Security Advisories

Published

May 18, 2026

Last Modified

May 18, 2026

📋 Description

Impact

If the resolver parameter is passed, but the user does not exist, all failcounters of tokens in that resolver will be increased.

Patches

This, along with other issues, was fixed in eduMFA v2.9.1.

Workarounds

Limiting access to /validate/check to client applications (i.e. Shibboleth/FreeRADIUS) using an authorization policy with api_key_required or using e.g. the reverse proxy.

🎯 Affected products1

pip/edumfa:< 2.9.1

🔗 References (2)

https://github.com/eduMFA/eduMFA/security/advisories/GHSA-74r7-3mjm-jc5v
https://github.com/advisories/GHSA-74r7-3mjm-jc5v