{"schema_version":1,"title":"Nine Nines Gun vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Nine Nines Gun: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-43966, was published on 8 June 2026.","url":"https://junglewise.ai/threats/technologies/gun","json_url":"https://junglewise.ai/threats/technologies/gun.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/gun","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":4},"latest":[{"cve":"CVE-2026-43966","cvss":6.3,"epss":0.0031,"slug":"cve-2026-43966-ninenines-cowlib-http-response-splitting-in-structured-headers","title":"ninenines cowlib HTTP response splitting in structured headers","severity":"medium","exploited":false,"published_at":"2026-06-08T17:16:43.447+00:00","url":"https://junglewise.ai/threats/cve-2026-43966-ninenines-cowlib-http-response-splitting-in-structured-headers"},{"cve":"CVE-2026-43974","cvss":8.7,"epss":0.0038,"slug":"cve-2026-43974-ninenines-gun-denial-of-service-via-unsolicited-101-switching","title":"Ninenines gun Denial of Service via unsolicited 101 Switching Protocols","severity":"high","exploited":false,"published_at":"2026-06-08T15:16:46.87+00:00","url":"https://junglewise.ai/threats/cve-2026-43974-ninenines-gun-denial-of-service-via-unsolicited-101-switching"},{"cve":"CVE-2026-43973","cvss":8.7,"epss":0.0038,"slug":"cve-2026-43973-ninenines-gun-uncontrolled-resource-consumption-in-gun-http","title":"ninenines gun uncontrolled resource consumption in gun_http","severity":"high","exploited":false,"published_at":"2026-06-08T15:16:46.7+00:00","url":"https://junglewise.ai/threats/cve-2026-43973-ninenines-gun-uncontrolled-resource-consumption-in-gun-http"},{"cve":"CVE-2026-43972","cvss":6.3,"epss":0.0022,"slug":"cve-2026-43972-ninenines-gun-cross-origin-cookie-injection-in-gun-http2","title":"ninenines gun cross-origin cookie injection in gun_http2","severity":"medium","exploited":false,"published_at":"2026-06-08T15:16:46.29+00:00","url":"https://junglewise.ai/threats/cve-2026-43972-ninenines-gun-cross-origin-cookie-injection-in-gun-http2"},{"slug":"gun-path-traversal-in-static-file-server-25023cc6","title":"GUN path traversal in static file server","severity":"info","exploited":false,"published_at":"2019-06-05T09:48:02+00:00","url":"https://junglewise.ai/threats/gun-path-traversal-in-static-file-server-25023cc6"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Nine Nines Cowlib","slug":"cowlib","vulnerabilities":6,"url":"https://junglewise.ai/threats/technologies/cowlib"},{"name":"Nine Nines Cowboy","slug":"cowboy","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/cowboy"}],"technology":{"hub":true,"name":"Nine Nines Gun","slug":"gun","vendor":{"name":"Nine Nines","slug":"nine-nines","url":"https://junglewise.ai/threats/vendors/nine-nines"},"aliases":[],"category":"library","homepage":"https://ninenines.eu/docs/en/gun/2.1/guide/","repo_url":"https://github.com/ninenines/gun","description":"Gun is an HTTP/1.1, HTTP/2 and Websocket client for Erlang/OTP.","url":"https://junglewise.ai/threats/technologies/gun"},"most_severe":[{"cve":"CVE-2026-43974","cvss":8.7,"epss":0.0038,"slug":"cve-2026-43974-ninenines-gun-denial-of-service-via-unsolicited-101-switching","title":"Ninenines gun Denial of Service via unsolicited 101 Switching Protocols","severity":"high","exploited":false,"published_at":"2026-06-08T15:16:46.87+00:00","url":"https://junglewise.ai/threats/cve-2026-43974-ninenines-gun-denial-of-service-via-unsolicited-101-switching"},{"cve":"CVE-2026-43973","cvss":8.7,"epss":0.0038,"slug":"cve-2026-43973-ninenines-gun-uncontrolled-resource-consumption-in-gun-http","title":"ninenines gun uncontrolled resource consumption in gun_http","severity":"high","exploited":false,"published_at":"2026-06-08T15:16:46.7+00:00","url":"https://junglewise.ai/threats/cve-2026-43973-ninenines-gun-uncontrolled-resource-consumption-in-gun-http"},{"cve":"CVE-2026-43966","cvss":6.3,"epss":0.0031,"slug":"cve-2026-43966-ninenines-cowlib-http-response-splitting-in-structured-headers","title":"ninenines cowlib HTTP response splitting in structured headers","severity":"medium","exploited":false,"published_at":"2026-06-08T17:16:43.447+00:00","url":"https://junglewise.ai/threats/cve-2026-43966-ninenines-cowlib-http-response-splitting-in-structured-headers"},{"cve":"CVE-2026-43972","cvss":6.3,"epss":0.0022,"slug":"cve-2026-43972-ninenines-gun-cross-origin-cookie-injection-in-gun-http2","title":"ninenines gun cross-origin cookie injection in gun_http2","severity":"medium","exploited":false,"published_at":"2026-06-08T15:16:46.29+00:00","url":"https://junglewise.ai/threats/cve-2026-43972-ninenines-gun-cross-origin-cookie-injection-in-gun-http2"},{"slug":"gun-path-traversal-in-static-file-server-25023cc6","title":"GUN path traversal in static file server","severity":"info","exploited":false,"published_at":"2019-06-05T09:48:02+00:00","url":"https://junglewise.ai/threats/gun-path-traversal-in-static-file-server-25023cc6"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}