Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 9.6 | Critical | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.23, the 97th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-wr5g-q49g-548w
- OSV: GHSA-wr5g-q49g-548w
- nvd.nist.gov/vuln/detail/CVE-2023-28131
- blog.expo.dev/security-advisory-for-developers-using-authsessions-useproxy-options-and-auth-expo-io-e470fe9346df
- github.com/expo/expo
- www.darkreading.com/endpoint/oauth-flaw-in-expo-platform-affects-hundreds-of-third-party-sites-apps