{"schema_version":1,"title":"Nine Nines Cowlib vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in Nine Nines Cowlib: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59248, was published on 28 July 2026.","url":"https://junglewise.ai/threats/technologies/cowlib","json_url":"https://junglewise.ai/threats/technologies/cowlib.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/cowlib","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":6},"latest":[{"cve":"CVE-2026-59248","cvss":8.7,"slug":"cve-2026-59248-ninenines-cowlib-denial-of-service-in-hpack-and-qpack-decoding","title":"Ninenines Cowlib denial of service in HPACK and QPACK decoding","severity":"info","exploited":false,"published_at":"2026-07-28T10:16:50.083+00:00","url":"https://junglewise.ai/threats/cve-2026-59248-ninenines-cowlib-denial-of-service-in-hpack-and-qpack-decoding"},{"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-2026-43970","cvss":8.2,"epss":0.0018,"slug":"cve-2026-43970-ninenines-cowlib-denial-of-service-via-spdy-decompression-bomb","title":"ninenines cowlib denial of service via SPDY decompression bomb","severity":"high","exploited":false,"published_at":"2026-05-13T19:17:25.44+00:00","url":"https://junglewise.ai/threats/cve-2026-43970-ninenines-cowlib-denial-of-service-via-spdy-decompression-bomb"},{"cve":"CVE-2026-7790","cvss":8.7,"epss":0.001,"slug":"cve-2026-7790-ninenines-cowlib-denial-of-service-in-cow-http-te","title":"ninenines cowlib denial of service in cow_http_te","severity":"high","exploited":false,"published_at":"2026-05-11T19:16:29.477+00:00","url":"https://junglewise.ai/threats/cve-2026-7790-ninenines-cowlib-denial-of-service-in-cow-http-te"},{"cve":"CVE-2026-43969","cvss":3.2,"epss":0.0003,"slug":"cve-2026-43969-ninenines-cowlib-crlf-injection-in-cow-cookie-cookie-1","title":"ninenines cowlib CRLF injection in cow_cookie:cookie/1","severity":"low","exploited":false,"published_at":"2026-05-11T19:16:25.33+00:00","url":"https://junglewise.ai/threats/cve-2026-43969-ninenines-cowlib-crlf-injection-in-cow-cookie-cookie-1"},{"cve":"CVE-2026-43968","cvss":4,"epss":0.0006,"slug":"cve-2026-43968-ninenines-cowlib-crlf-injection-in-sse-encoder","title":"ninenines cowlib CRLF injection in SSE encoder","severity":"medium","exploited":false,"published_at":"2026-05-11T19:16:25.1+00:00","url":"https://junglewise.ai/threats/cve-2026-43968-ninenines-cowlib-crlf-injection-in-sse-encoder"}],"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":1},{"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 Gun","slug":"gun","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/gun"},{"name":"Nine Nines Cowboy","slug":"cowboy","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/cowboy"}],"technology":{"hub":true,"name":"Nine Nines Cowlib","slug":"cowlib","vendor":{"name":"Nine Nines","slug":"nine-nines","url":"https://junglewise.ai/threats/vendors/nine-nines"},"aliases":[],"category":"library","homepage":"https://ninenines.eu/docs/en/cowlib/2.13/guide/","repo_url":"https://github.com/ninenines/cowlib","description":"cowlib is a library of support functions for manipulating Web protocols, including HTTP and WebSocket.","url":"https://junglewise.ai/threats/technologies/cowlib"},"most_severe":[{"cve":"CVE-2026-7790","cvss":8.7,"epss":0.001,"slug":"cve-2026-7790-ninenines-cowlib-denial-of-service-in-cow-http-te","title":"ninenines cowlib denial of service in cow_http_te","severity":"high","exploited":false,"published_at":"2026-05-11T19:16:29.477+00:00","url":"https://junglewise.ai/threats/cve-2026-7790-ninenines-cowlib-denial-of-service-in-cow-http-te"},{"cve":"CVE-2026-43970","cvss":8.2,"epss":0.0018,"slug":"cve-2026-43970-ninenines-cowlib-denial-of-service-via-spdy-decompression-bomb","title":"ninenines cowlib denial of service via SPDY decompression bomb","severity":"high","exploited":false,"published_at":"2026-05-13T19:17:25.44+00:00","url":"https://junglewise.ai/threats/cve-2026-43970-ninenines-cowlib-denial-of-service-via-spdy-decompression-bomb"},{"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-2026-43968","cvss":4,"epss":0.0006,"slug":"cve-2026-43968-ninenines-cowlib-crlf-injection-in-sse-encoder","title":"ninenines cowlib CRLF injection in SSE encoder","severity":"medium","exploited":false,"published_at":"2026-05-11T19:16:25.1+00:00","url":"https://junglewise.ai/threats/cve-2026-43968-ninenines-cowlib-crlf-injection-in-sse-encoder"},{"cve":"CVE-2026-43969","cvss":3.2,"epss":0.0003,"slug":"cve-2026-43969-ninenines-cowlib-crlf-injection-in-cow-cookie-cookie-1","title":"ninenines cowlib CRLF injection in cow_cookie:cookie/1","severity":"low","exploited":false,"published_at":"2026-05-11T19:16:25.33+00:00","url":"https://junglewise.ai/threats/cve-2026-43969-ninenines-cowlib-crlf-injection-in-cow-cookie-cookie-1"},{"cve":"CVE-2026-59248","cvss":8.7,"slug":"cve-2026-59248-ninenines-cowlib-denial-of-service-in-hpack-and-qpack-decoding","title":"Ninenines Cowlib denial of service in HPACK and QPACK decoding","severity":"info","exploited":false,"published_at":"2026-07-28T10:16:50.083+00:00","url":"https://junglewise.ai/threats/cve-2026-59248-ninenines-cowlib-denial-of-service-in-hpack-and-qpack-decoding"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}