{"schema_version":1,"title":"Starcounter-Jack vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 1 vulnerability in Starcounter-Jack: 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-2021-4279, was published on 25 December 2022. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/starcounter-jack","json_url":"https://junglewise.ai/threats/vendors/starcounter-jack.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/vendors/starcounter-jack","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":0,"all_time":1,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cve":"CVE-2021-4279","cvss":3.1,"epss":0.0108,"slug":"cve-2021-4279-starcounter-jack-json-patch-prototype-pollution","title":"Starcounter-Jack JSON-Patch prototype pollution","severity":"low","exploited":false,"published_at":"2022-12-25T21:30:22+00:00","url":"https://junglewise.ai/threats/cve-2021-4279-starcounter-jack-json-patch-prototype-pollution"}],"vendor":{"hub":true,"name":"Starcounter-Jack","slug":"starcounter-jack","description":"Developer or organization associated with JavaScript library or tool development.","url":"https://junglewise.ai/threats/vendors/starcounter-jack"},"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}],"most_severe":[{"cve":"CVE-2021-4279","cvss":3.1,"epss":0.0108,"slug":"cve-2021-4279-starcounter-jack-json-patch-prototype-pollution","title":"Starcounter-Jack JSON-Patch prototype pollution","severity":"low","exploited":false,"published_at":"2022-12-25T21:30:22+00:00","url":"https://junglewise.ai/threats/cve-2021-4279-starcounter-jack-json-patch-prototype-pollution"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"Starcounter-Jack JSON-Patch","slug":"json-patch","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/json-patch"}]}