GO-2026-6278None▾ SunlitGorilla WebSocket Uses Cryptographically Weak PRNG for WebSocket Mask Key in github.com/gorilla/websocket
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
Gorilla WebSocket Uses Cryptographically Weak PRNG for WebSocket Mask Key in github.com/gorilla/websocket
github.com/gorilla/websocket < 1.5.3Upgrade to a patched release:
github.com/gorilla/websocket 1.5.3Connected by shared product, vendor, weakness, or advisory.
GHSA-w67g-5rqw-f597MediumGorilla WebSocket Uses Cryptographically Weak PRNG for WebSocket Mask Key
CVE-2025-47909Mediumgithub.com/gorilla/csrf improperly validates TrustedOrigins allowing CSRF attacks
CVE-2024-37298High· 7.5Potential memory exhaustion attack due to sparse slice deserialization