PatchTheCVEengine.io vulnerabilities and fixes
Recent CVEs affecting engine.io, with upgrade or downgrade steps. 2 tracked.
Also searched as: engine io, engineio.
engine.io has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-07-08. Highest priority: CVE-2026-59725 (score 44/100).
- CVE-2026-59725 HIGH 7.5 UPGRADE Socket.IO enables bidirectional and low-latency communication for every platform
- CVE-2026-59724 HIGH 7.5 UPGRADE Socket.IO enables bidirectional and low-latency communication for every platform
FAQ
How do I fix engine.io vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is engine.io being exploited right now?
None of the tracked engine.io CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which engine.io CVE should I patch first?
CVE-2026-59725 currently ranks highest (44/100): Socket.IO enables bidirectional and low-latency communication for every platform.