engine.io Uncaught Exception vulnerability

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

• CISA KEV Not listed.
• EPSS 0.013, the 71st percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 3 May 2023. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-q9mw-68c2-j6m5
• OSV: GHSA-q9mw-68c2-j6m5
• github.com/socketio/engine.io/security/advisories/GHSA-q9mw-68c2-j6m5
• nvd.nist.gov/vuln/detail/CVE-2023-31125
• github.com/socketio/engine.io/commit/fc480b4f305e16fe5972cf337d055e598372dc44
• github.com/socketio/engine.io
• github.com/socketio/engine.io/releases/tag/6.4.2
• security.netapp.com/advisory/ntap-20230622-0002

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.