CVE-2026-40300

Zulip is an open-source team collaboration tool. Prior to 12.0, With messageedithistoryvisibilitypolicy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

CVE-2026-40300

Zulip is an open-source team collaboration tool. Prior to 12.0, With messageedithistoryvisibilitypolicy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

EUVD-2026-29537

Zulip is an open-source team collaboration tool. Prior to 12.0, With messageedithistoryvisibilitypolicy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

CVE-2026-40300

Zulip is an open-source team collaboration tool. Prior to 12.0, With messageedithistoryvisibilitypolicy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

CVE-2026-40300 Zulip: Message edit history visible in "moves only" policy through /api/v1/messages/{id}/history

Zulip is an open-source team collaboration tool. Prior to 12.0, With messageedithistoryvisibilitypolicy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

CVE-2026-40300 Zulip: Message edit history visible in "moves only" policy through /api/v1/messages/{id}/history

Zulip is an open-source team collaboration tool. Prior to 12.0, With messageedithistoryvisibilitypolicy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

CVE-2026-40300

Summary of vulnerability (CVE-2026-40300) Affected software: Zulip open-source team collaboration tool (prior to version 12.0). Root cause: When message_edit_history_visibility_policy is set to the value "moves", the endpoint /api/v1/messages/{id}/history continues to return historical content va...

Zulip 访问控制错误漏洞

Zulip is a powerful open-source chat application developed by the US company Zulip. It combines the immediacy of real-time conversations with the productivity benefits of threaded dialogue. Prior to Zulip 12.0, there was an access control vulnerability. This vulnerability occurred when...

PT-2026-40100

Zulip is an open-source team collaboration tool. Prior to 12.0, With message edit history visibility policy set to "moves", /api/v1/messages/id/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages. This...

PyPI Packages Deliver ZiChatBot Malware via Zulip APIs on Windows and Linux

Cybersecurity researchers have discovered three packages on the Python Package Index PyPI repository that are designed to stealthily deliver a previously unknown malware family called ZiChatBot on Windows and Linux systems. "While these wheel packages do implement the features described on their...

OceanLotus suspected of using PyPI to deliver ZiChatBot malware

Introduction Through our daily threat hunting, we noticed that, beginning in July 2025, a series of malicious wheel packages were uploaded to PyPI the Python Package Index. We shared this information with the public security community, and the malware was removed from the repository. We submitted...

CVE-2026-25742

Zulip is an open-source team collaboration tool. Prior to version 11.6, Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, even after spectator access enablespectatoraccess / WEBPUBLICSTREAMSENABLED is disabled, attachments originating from web-public...

CVE-2026-26058

Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, ./manage.py import reads arbitrary files from the server filesystem via path traversal in uploads/records.json. A crafted export tarball causes the server to copy any file the zulip user can read into the...

CVE-2026-25742

Zulip is an open-source team collaboration tool. Prior to version 11.6, Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, even after spectator access enablespectatoraccess / WEBPUBLICSTREAMSENABLED is disabled, attachments originating from web-public...

CVE-2026-26058

Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, ./manage.py import reads arbitrary files from the server filesystem via path traversal in uploads/records.json. A crafted export tarball causes the server to copy any file the zulip user can read into the...

CVE-2026-26058 Zulip: Path Traversal in Import

Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, ./manage.py import reads arbitrary files from the server filesystem via path traversal in uploads/records.json. A crafted export tarball causes the server to copy any file the zulip user can read into the...

EUVD-2026-18838

Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, ./manage.py import reads arbitrary files from the server filesystem via path traversal in uploads/records.json. A crafted export tarball causes the server to copy any file the zulip user can read into the...

CVE-2026-26058 Zulip: Path Traversal in Import

Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, ./manage.py import reads arbitrary files from the server filesystem via path traversal in uploads/records.json. A crafted export tarball causes the server to copy any file the zulip user can read into the...

CVE-2026-26058

Zulip (open-source team collaboration tool) is affected in versions 1.4.0 up to, but not including, 11.6. The vulnerability arises in the import path where ./manage.py import can read arbitrary server files due to path traversal in uploads/records.json. A crafted export tarball can cause the serv...

CVE-2026-25742 Zulip: Anonymous File Access After Disabling Spectator Access

Zulip is an open-source team collaboration tool. Prior to version 11.6, Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, even after spectator access enablespectatoraccess / WEBPUBLICSTREAMSENABLED is disabled, attachments originating from web-public...