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npm engine.io vulnerabilities

7 published CVES affecting npm engine.io, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
7
Critical
0
High
5
Medium
2
Low
0
Unscored
0
CISA KEV
0

Latest npm engine.io CVEs

Newest publication first

  1. HighCVSS 7.5 EPSS 0.58%

    Socket.IO enables bidirectional and low-latency communication for every platform. From Engine.IO 6.6.0 until 6.6.10, a transport upgrade can independently derive an Engine.IO protocol revision from the upgrade request instead of enforcing the revision stored on the existing sessi...

  2. HighCVSS 7.5 EPSS 0.64%

    Socket.IO enables bidirectional and low-latency communication for every platform. From 4.1.0 before 6.6.7, Engine.IO protocol v4 polling transport does not properly close the HTTP response for invalid binary POST requests with Content-Type: application/octet-stream, allowing an u...

  3. HighCVSS 7.5 EPSS 0.61%

    Socket.IO enables bidirectional and low-latency communication for every platform. From 6.5.0 before 6.6.7, Engine.IO servers with WebTransport enabled can resolve a crafted session ID such as proto through an inherited property of the clients object during WebTransport upgrade ha...

  4. MediumCVSS 6.5 EPSS 1.3%

    Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. An uncaught exception vulnerability was introduced in version 5.1.0 and included in version 4.1.0 of the socket.io parent package. Older versions are no...

  5. MediumCVSS 6.5 EPSS 2.1%

    Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users...

  6. HighCVSS 7.5 EPSS 2.9%

    Engine.IO is the implementation of transport-based cross-browser/cross-device bi-directional communication layer for Socket.IO. A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process. This impacts all the users...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.