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CVE-2026-44217

6.6 medium SSVC exploitation: none Deferred
NVD · CVE.org

sse-channel is an SSE-implementation which can be used to any node.js http request/response stream. Prior to 4.0.1, implementations that allow user-provided values to be passed to event, retry or id fields are susceptible to event spoofing, where an attacker could inject arbitrary messages into the stream. This vulnerability is fixed in 4.0.1.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 6.6NVD modified 2026-10-26 18:10

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2