UNKNOWNhex →
gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM
gun HTTP/1.1 client accepts unsolicited 101 Switching Protocols response allowing server-driven protocol hijack and OOM
Affected packages
- gun
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.38%
- EPSS percentile
- 30.8%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 31%.
Sources
- https://cna.erlef.org/cves/CVE-2026-43974.html
- https://github.com/ninenines/gun/commit/5b48068c29ce5e112cb149b5857c7d4dc319a81b
- https://hex.pm/packages/gun
Structured record: https://osv.dev/vulnerability/EEF-CVE-2026-43974
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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