CVE-2026-59725 - Socket.IO: Engine.IO Polling Transport Connection Exhaustion
CVE ID :CVE-2026-59725
Published : July 8, 2026, 4:16 p.m. | 29 minutes ago
Description :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 unauthenticated attacker to exhaust server-side connections and sockets. This issue is fixed in version 6.6.7.
Severity: 7.5 | HIGH
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Published : July 8, 2026, 4:16 p.m. | 29 minutes ago
Description :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 unauthenticated attacker to exhaust server-side connections and sockets. This issue is fixed in version 6.6.7.
Severity: 7.5 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more...