CVE-2016-4427

In zulip before 1.3.12, deactivated users could access messages if SSO was enabled...

CVE-2019-16215

The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing of future messages...

CVE-2016-4426

In zulip before 1.3.12, bot API keys were accessible to other users in the same realm...

CVE-2025-47930

Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...

CVE-2025-47930

Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...

CVE-2025-47930 Zulip Server has access control bypass for restrictions on creation of specific channel types

Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...

CVE-2025-47930 Zulip Server has access control bypass for restrictions on creation of specific channel types

Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...

CVE-2025-47930 Zulip Server has access control bypass for restrictions on creation of specific channel types

Zulip is an open-source team chat application. Starting in version 10.0 and prior to version 10.3, the "Who can create public channels" access control mechanism can be circumvented by creating a private or web-public channel, and then changing the channel privacy to public. A similar technique...

CVE-2025-47930

Zulip Server vulnerability CVE-2025-47930 affects versions 10.0–10.2, where the access control for creating certain channel types can be bypassed by creating a private or web-public channel and then changing its privacy to public (and a similar method to create private channels without permission...

Zulip 安全漏洞

Zulip is a powerful open-source group chat application from Zulip, Inc. for combining the immediacy of real-time chat with the productivity benefits of threaded conversations. A security vulnerability exists in Zulip versions prior to 10.0 to 10.3, which stems from a channel creation permission...

PT-2025-21585 · Zulip · Zulip

Name of the Vulnerable Software and Affected Versions: Zulip versions 10.0 through 10.2 Description: The issue concerns the "Who can create public channels" access control mechanism in Zulip, which can be circumvented by creating a private or web-public channel and then changing the channel priva...

CVE-2025-31478

Zulip is an open-source team collaboration tool. Zulip supports a configuration where account creation is limited solely by being able to authenticate with a single-sign on authentication backend, meaning the organization places no restrictions on email address domains or invitations being requir...

CVE-2025-31478

Zulip is an open-source team collaboration tool. Zulip supports a configuration where account creation is limited solely by being able to authenticate with a single-sign on authentication backend, meaning the organization places no restrictions on email address domains or invitations being requir...

CVE-2025-31478 Zulip Authentication Backend Configuration Bypass

Zulip is an open-source team collaboration tool. Zulip supports a configuration where account creation is limited solely by being able to authenticate with a single-sign on authentication backend, meaning the organization places no restrictions on email address domains or invitations being requir...

CVE-2025-31478

CVE-2025-31478 applies to Zulip, an open-source team chat tool. A bug in the Zulip server allowed account creation in organizations that rely on a single-sign-on (SSO) backend and have disabled EmailAuthBackend, effectively bypassing the configured SSO. The issue affects configurations where acce...

CVE-2025-31478 Zulip Authentication Backend Configuration Bypass

Zulip is an open-source team collaboration tool. Zulip supports a configuration where account creation is limited solely by being able to authenticate with a single-sign on authentication backend, meaning the organization places no restrictions on email address domains or invitations being requir...

CVE-2025-31478 Zulip Authentication Backend Configuration Bypass

Zulip is an open-source team collaboration tool. Zulip supports a configuration where account creation is limited solely by being able to authenticate with a single-sign on authentication backend, meaning the organization places no restrictions on email address domains or invitations being requir...

PT-2025-16904

Name of the Vulnerable Software and Affected Versions Zulip versions prior to 10.2 Description A bug in the Zulip server allows account creation without authenticating with the configured Single Sign-On SSO authentication backend in organizations where account creation is limited solely by SSO...

Zulip 授权问题漏洞

Zulip is a powerful open source group chat application from Zulip, Inc. for combining the immediacy of real-time chat with the productivity benefits of threaded conversations. An authorization issue vulnerability exists in versions prior to Zulip 10.2, which stems from a single sign-on...

CVE-2025-30368

Zulip is an open-source team collaboration tool. The API for deleting an organization export is supposed to be restricted to organization administrators, but its handler failed to check that the field belongs to the same organization as the user. Therefore, an administrator of any organization wa...