UNKNOWNhex →
gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection
gun HTTP/2 PUSH_PROMISE authority not validated against connection origin allows cross-origin cookie injection
Affected packages
- gun
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.21%
- EPSS percentile
- 12.0%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 12%.
Sources
- https://cna.erlef.org/cves/CVE-2026-43972.html
- https://github.com/ninenines/gun/commit/567863ff53802fed21c3b3f25812db7f7ae29676
- https://hex.pm/packages/gun
Structured record: https://osv.dev/vulnerability/EEF-CVE-2026-43972
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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