Answer in brief
CVE-2024-21632 records a High severity (CVSS 8.6) vulnerability in Omniauth::MicrosoftGraph Account takeover (nOAuth). The current sources do not mark it as known exploited. The current feed maps omniauth-microsoft_graph (rubygems). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps omniauth-microsoft_graph (rubygems). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| omniauth-microsoft_graphrubygems | >=0 <2.0.0 | 2.0.0 |
Published upstream
Jan 3, 2024
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Aug 7, 2026
### Summary The implementation did not validate the legitimacy of the `email` attribute of the user nor did it give/document an option to do so, making it susceptible to [nOAuth](https://www.descope.com/blog/post/noauth) misconfiguration in cases when the `email` is used as a trusted user identifier
Quoted source text, attributed separately from HOL analysis.