CVE-2022-41914

Zulip is an open-source team collaboration tool. For organizations with System for Cross-domain Identity ManagementSCIM account management enabled, Zulip Server 5.0 through 5.6 checked the SCIM bearer token using a comparator that did not run in constant time. Therefore, it might theoretically be...

CVE-2022-36048

Zulip is an open-source team collaboration tool with topic-based threading that combines email and chat. When displaying messages with embedded remote images, Zulip normally loads the image preview via a go-camo proxy server. However, an attacker who can send messages could include a crafted URL...

CVE-2022-24751

Zulip is an open source group chat application. Starting with version 4.0 and prior to version 4.11, Zulip is vulnerable to a race condition during account deactivation, where a simultaneous access by the user being deactivated may, in rare cases, allow continued access by the deactivated user. A...

CVE-2021-43791

Zulip is an open source group chat application that combines real-time chat with threaded conversations. In affected versions expiration dates on the confirmation objects associated with email invitations were not enforced properly in the new account registration flow. A confirmation link takes a...

CVE-2021-43799

Zulip is an open-source team collaboration tool. Zulip Server installs RabbitMQ for internal message passing. In versions of Zulip Server prior to 4.9, the initial installation until first reboot, or restart of RabbitMQ does not successfully limit the default ports which RabbitMQ opens; this...

CVE-2021-30479

An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the allpublicstreams API feature resulted in guest users being able to receive message traffic to public streams that should have been only accessible to members of the organization...

CVE-2021-3967

Improper Access Control in GitHub repository zulip/zulip prior to 4.10...

CVE-2021-30487

In the topic moving API in Zulip Server 3.x before 3.4, organization administrators were able to move messages to streams in other organizations hosted by the same Zulip installation...

CVE-2021-3866

Cross-site Scripting XSS - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6...

CVE-2021-30478

An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the canforgesender permission previously isapisuperuser resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same...

CVE-2021-30477

An issue was discovered in Zulip Server before 3.4. A bug in the implementation of replies to messages sent by outgoing webhooks to private streams meant that an outgoing webhook bot could be used to send messages to private streams that the user was not intended to be able to send messages to...

CVE-2020-9444

Zulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality...

CVE-2020-9443

Zulip Desktop before 4.0.3 loaded untrusted content in an Electron webview with web security disabled, which can be exploited for XSS in a number of ways. This especially affects Zulip Desktop 2.3.82...

CVE-2020-15070

Zulip Server 2.x before 2.1.7 allows eval injection if a privileged attacker were able to write directly to the postgres database, and chose to write a crafted custom profile field value...

CVE-2020-14215

Zulip Server before 2.1.5 has Incorrect Access Control because 0198preregistrationuserinvitedas adds the administrator role to invitations...

CVE-2020-14194

Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link...

CVE-2020-12637

Zulip Desktop before 5.2.0 has Missing SSL Certificate Validation because all validation was inadvertently disabled during an attempt to recognize the ignoreCerts option...

CVE-2020-9445

Zulip Server before 2.1.3 allows XSS via the modallink feature in the Markdown functionality...

CVE-2019-19775

The image thumbnailing handler in Zulip Server versions 1.9.0 to before 2.0.8 allowed an open redirect that was visible to logged-in users...

CVE-2019-10476

Jenkins Zulip Plugin 1.1.0 and earlier stored credentials unencrypted in its global configuration file on the Jenkins master where they could be viewed by users with access to the master file system...