{"schema_version":1,"title":"Zulip vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in Zulip: 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-2026-115574, was published on 4 November 2026. 2 vulnerabilities in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/technologies/zulip","json_url":"https://junglewise.ai/threats/technologies/zulip.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/zulip","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":true,"counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":2,"last_365_days":4},"latest":[{"cve":"CVE-2026-115574","cvss":5.3,"slug":"cve-2026-115574-zulip-is-an-open-source-team-collaboration-tool-from-11-0-until","title":"Zulip custom profile fields information disclosure","severity":"medium","exploited":false,"published_at":"2026-11-04T20:19:02.313+00:00","url":"https://junglewise.ai/threats/cve-2026-115574-zulip-is-an-open-source-team-collaboration-tool-from-11-0-until"},{"cve":"CVE-2026-115474","cvss":6.5,"slug":"cve-2026-115474-zulip-is-an-open-source-team-collaboration-tool-from-8-0-until","title":"Zulip authorization bypass in draft message handling","severity":"medium","exploited":false,"published_at":"2026-11-04T20:19:01.983+00:00","url":"https://junglewise.ai/threats/cve-2026-115474-zulip-is-an-open-source-team-collaboration-tool-from-8-0-until"},{"cve":"CVE-2026-26058","cvss":6.1,"epss":0.0024,"slug":"cve-2026-26058-zulip-server-path-traversal-in-data-import-utility","title":"Zulip Server path traversal in data import utility","severity":"medium","exploited":false,"published_at":"2026-04-03T21:17:10.23+00:00","url":"https://junglewise.ai/threats/cve-2026-26058-zulip-server-path-traversal-in-data-import-utility"},{"cve":"CVE-2026-25742","cvss":5.3,"epss":0.0031,"slug":"cve-2026-25742-zulip-missing-authorization-for-anonymous-access-to-attachments","title":"Zulip missing authorization for anonymous access to attachments and topics","severity":"medium","exploited":false,"published_at":"2026-04-03T21:17:10.06+00:00","url":"https://junglewise.ai/threats/cve-2026-25742-zulip-missing-authorization-for-anonymous-access-to-attachments"}],"weekly":[{"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},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Zulip Server","slug":"zulip-server","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/zulip-server"}],"technology":{"hub":true,"name":"Zulip","slug":"zulip","vendor":{"hub":true,"name":"Zulip","slug":"zulip","url":"https://junglewise.ai/threats/vendors/zulip"},"aliases":[],"category":"web-application","homepage":"https://zulip.com/","repo_url":"https://github.com/zulip/zulip","description":"Zulip is an open-source collaborative chat application that combines real-time chat with a threaded model for asynchronous communication.","url":"https://junglewise.ai/threats/technologies/zulip"},"most_severe":[{"cve":"CVE-2026-115474","cvss":6.5,"slug":"cve-2026-115474-zulip-is-an-open-source-team-collaboration-tool-from-8-0-until","title":"Zulip authorization bypass in draft message handling","severity":"medium","exploited":false,"published_at":"2026-11-04T20:19:01.983+00:00","url":"https://junglewise.ai/threats/cve-2026-115474-zulip-is-an-open-source-team-collaboration-tool-from-8-0-until"},{"cve":"CVE-2026-26058","cvss":6.1,"epss":0.0024,"slug":"cve-2026-26058-zulip-server-path-traversal-in-data-import-utility","title":"Zulip Server path traversal in data import utility","severity":"medium","exploited":false,"published_at":"2026-04-03T21:17:10.23+00:00","url":"https://junglewise.ai/threats/cve-2026-26058-zulip-server-path-traversal-in-data-import-utility"},{"cve":"CVE-2026-25742","cvss":5.3,"epss":0.0031,"slug":"cve-2026-25742-zulip-missing-authorization-for-anonymous-access-to-attachments","title":"Zulip missing authorization for anonymous access to attachments and topics","severity":"medium","exploited":false,"published_at":"2026-04-03T21:17:10.06+00:00","url":"https://junglewise.ai/threats/cve-2026-25742-zulip-missing-authorization-for-anonymous-access-to-attachments"},{"cve":"CVE-2026-115574","cvss":5.3,"slug":"cve-2026-115574-zulip-is-an-open-source-team-collaboration-tool-from-11-0-until","title":"Zulip custom profile fields information disclosure","severity":"medium","exploited":false,"published_at":"2026-11-04T20:19:02.313+00:00","url":"https://junglewise.ai/threats/cve-2026-115574-zulip-is-an-open-source-team-collaboration-tool-from-11-0-until"}],"generated_at":"2026-11-12T03:07:00.164048+00:00"}