Skip to contentZulip Server vulnerabilities
- zulip, zulip server +1 moreZulip: Message edit history visible in "moves only" policy through /api/v1/messages/{id}/historyCVE-2026-403006.0 Medium
- zulip, zulip server +1 moreZulip affected by Stored XSS in user profile modalCVE-2026-240501.1 Low
- zulip, zulip server +1 moreZulip XSS in digest preview URLCVE-2025-525596.8 Medium
- zulip, zulip server +1 moreZulip Authentication Backend Configuration BypassCVE-2025-314788.2 High
- zulip, zulip server +1 moreZulip allows the deletion of Custom profile fields by administrators of a different organizationCVE-2025-303692.7 Low
- zulip, zulip server +1 moreZulip exports can leak private dataCVE-2025-271494.6 Medium
- zulip, zulip server +1 more/api/v1/jwt/fetch_api_key endpoint can leak if an email address has an account in Zulip serverCVE-2024-561366.9 Medium
- zulip, zulip server +1 moreZulip from 8.0 to 8.3 contains a memory leak vulnerability in the handling of popovers.CVE-2024-366127.5 High
- zulip, zulip server +1 moreMoving single messages from public to private streams leaves them accessibleCVE-2024-272866.5 Medium
- zulip, zulip server +1 moreZulip non-admins can invite new users to streams they would not otherwise be able to add existing users toCVE-2024-216304.3 Medium
- zulip, zulip server +1 moreStream description leaks to ex-subscribers in ZulipCVE-2023-476424.3 Medium
- zulip, zulip server +1 moreZulip vulnerable to insufficient authorization check for edition/deletion of messages and topics in private streams by former subscribersCVE-2023-326786.5 Medium
- zulip, zulip server +1 moreCross-site scripting vulnerability in Zulip Server development branch via topic tooltipCVE-2023-331868.2 High
- zulip, zulip server +1 moreUser uploads proxied from S3 lack `Content-Security-Policy` headers, may be served with `Content-Disposition: inline` in zulipCVE-2023-227354.4 Medium
- zulip, zulip server +1 moreNon-constant-time SCIM token comparison in Zulip ServerCVE-2022-419143.7 Low
- zulip, zulip server +1 moreZulip Server public data export contains attachments that are non-publicCVE-2022-311344.9 Medium
- zulip, zulip server +1 moreCross-site scripting vulnerability in Zulip ServerCVE-2022-236564.6 Medium
- zulip, zulip server +1 moreMulti-use invitations can grant access to other organizations in ZulipCVE-2022-217067.2 High
- zulip serverAn issue was discovered in Zulip Server before 3.4. A bug in the implementation of the...CVE-2021-304795.3 Medium
- zulip serverAn issue was discovered in Zulip Server before 3.4. A bug in the implementation of the...CVE-2021-304784.3 Medium
- zulip serverAn issue was discovered in Zulip Server before 3.4. A bug in the implementation of replies to...CVE-2021-304774.3 Medium
- zulip serverIn the topic moving API in Zulip Server 3.x before 3.4, organization administrators were able to...CVE-2021-304872.7 Low
- zulip serverZulip Server before 2.1.5 allows reflected XSS via the Dropbox webhook.CVE-2020-127596.1 Medium
- zulip serverZulip Server before 2.1.5 allows reverse tabnapping via a topic header link.CVE-2020-141945.4 Medium
- zulip serverZulip Server before 2.1.5 has Incorrect Access Control because...CVE-2020-142157.5 High
- zulip serverZulip Server 2.x before 2.1.7 allows eval injection if a privileged attacker were able to write...CVE-2020-150708.8 High
- zulip serverZulip Server before 2.1.3 allows XSS via the modal_link feature in the Markdown functionality.CVE-2020-94456.1 Medium
- zulip serverZulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality.CVE-2020-94446.1 Medium
- zulip serverZulip Server before 2.1.3 allows XSS via a Markdown link, with resultant account takeover.CVE-2020-109355.4 Medium
- zulip serverThe image thumbnailing handler in Zulip Server versions 1.9.0 to before 2.0.8 allowed an open...CVE-2019-197756.1 Medium
- zulip serverIn Zulip Server versions from 1.7.0 to before 2.0.7, a bug in the new user signup process meant...CVE-2019-189339.8 Critical
- zulip serverZulip server before 2.0.5 incompletely validated the MIME types of uploaded files. A user who is...CVE-2019-162165.4 Medium
- zulip serverThe Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to...CVE-2019-162156.5 Medium
- zulip serverIn Zulip Server versions before 1.7.2, there was an XSS issue with user uploads and the (default)...CVE-2018-99995.4 Medium
- zulip serverIn Zulip Server versions before 1.7.2, there was an XSS issue with stream names in topic typeahead.CVE-2018-99906.1 Medium
- zulip serverIn Zulip Server versions 1.5.x, 1.6.x, and 1.7.x before 1.7.2, there was an XSS issue with muting...CVE-2018-99876.1 Medium
- zulip serverIn Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.CVE-2018-99866.1 Medium
- zulip serverIn Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation...CVE-2017-09108.8 High
- zulip serverZulip Server 1.5.1 and below suffer from an error in the implementation of the...CVE-2017-08966.5 Medium
- zulip serverAn error in the implementation of an autosubscribe feature in the check_stream_exists route of...CVE-2017-08814.3 Medium