{"schema_version":1,"title":"Starcounter-Jack JSON-Patch vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Starcounter-Jack JSON-Patch: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-86319, was published on 7 September 2026.","url":"https://junglewise.ai/threats/technologies/json-patch","json_url":"https://junglewise.ai/threats/technologies/json-patch.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/json-patch","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":2,"last_365_days":2},"latest":[{"cve":"CVE-2026-86319","cvss":5.3,"epss":0.007,"slug":"cve-2026-86319-java-json-tools-json-patch-denial-of-service-in-jsonpatch-apply","title":"java-json-tools json-patch denial of service in JsonPatch.apply()","severity":"medium","exploited":false,"published_at":"2026-09-07T15:17:34.25+00:00","url":"https://junglewise.ai/threats/cve-2026-86319-java-json-tools-json-patch-denial-of-service-in-jsonpatch-apply"},{"cve":"CVE-2026-86318","cvss":5.3,"epss":0.0076,"slug":"cve-2026-86318-java-json-tools-json-patch-stack-overflow-in-merge-patch","title":"java-json-tools json-patch stack overflow in merge patch deserialization","severity":"medium","exploited":false,"published_at":"2026-09-07T15:17:34.04+00:00","url":"https://junglewise.ai/threats/cve-2026-86318-java-json-tools-json-patch-stack-overflow-in-merge-patch"},{"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"}],"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":2},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Starcounter-Jack JSON-Patch","slug":"json-patch","vendor":{"name":"Starcounter-Jack","slug":"starcounter-jack","url":"https://junglewise.ai/threats/vendors/starcounter-jack"},"aliases":[],"category":"library","url":"https://junglewise.ai/threats/technologies/json-patch"},"most_severe":[{"cve":"CVE-2026-86318","cvss":5.3,"epss":0.0076,"slug":"cve-2026-86318-java-json-tools-json-patch-stack-overflow-in-merge-patch","title":"java-json-tools json-patch stack overflow in merge patch deserialization","severity":"medium","exploited":false,"published_at":"2026-09-07T15:17:34.04+00:00","url":"https://junglewise.ai/threats/cve-2026-86318-java-json-tools-json-patch-stack-overflow-in-merge-patch"},{"cve":"CVE-2026-86319","cvss":5.3,"epss":0.007,"slug":"cve-2026-86319-java-json-tools-json-patch-denial-of-service-in-jsonpatch-apply","title":"java-json-tools json-patch denial of service in JsonPatch.apply()","severity":"medium","exploited":false,"published_at":"2026-09-07T15:17:34.25+00:00","url":"https://junglewise.ai/threats/cve-2026-86319-java-json-tools-json-patch-denial-of-service-in-jsonpatch-apply"},{"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"}