CVE-2025-30368

Zulip CVE-2025-30368 affects the Delete Organization Export API where permission checks could allow an administrator to delete an export belonging to another organization. Root cause: insufficient verification that the field being acted upon belongs to the caller’s organization. Impact: potential...

CVE-2025-27149

Zulip server provides an open-source team chat that helps teams stay productive and focused. Prior to 10.0, the data export to organization administrators feature in Zulip leaks private data. The collection of user-agent types identifying specific integrations or HTTP libraries E.g.,...

CVE-2025-27149 Zulip exports can leak private data

Zulip server provides an open-source team chat that helps teams stay productive and focused. Prior to 10.0, the data export to organization administrators feature in Zulip leaks private data. The collection of user-agent types identifying specific integrations or HTTP libraries E.g.,...

CVE-2025-27149 Zulip exports can leak private data

Zulip server provides an open-source team chat that helps teams stay productive and focused. Prior to 10.0, the data export to organization administrators feature in Zulip leaks private data. The collection of user-agent types identifying specific integrations or HTTP libraries E.g.,...

Zulip server 安全漏洞

Zulip server is an open source team chat application from Zulip, Inc. in the United States. A security vulnerability exists in Zulip server versions prior to 10.0, which stems from a data export feature that discloses private data, including user agent types and private channel subject headings...

Zulip server 安全漏洞

Zulip server is an open source team chat application from Zulip USA. A security vulnerability exists in versions of Zulip server prior to 10.1, which stems from insufficient permission checking in the Delete Organization Export API, which could result in an administrator deleting exports from oth...

Zulip server 安全漏洞

Zulip server is an open source team chat application from Zulip, Inc. in the United States. A security vulnerability exists in versions of Zulip server prior to 10.1, which stems from insufficient permission checking in the Delete Organizational Custom Profile Fields API, which could result in an...

CVE-2022-21706

Zulip is an open-source team collaboration tool with topic-based threading. Zulip Server version 2.0.0 and above are vulnerable to insufficient access control with multi-use invitations. A Zulip Server deployment which hosts multiple organizations is vulnerable to an attack where an invitation...

CVE-2024-56136

Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an emai...

CVE-2024-56136 /api/v1/jwt/fetch_api_key endpoint can leak if an email address has an account in Zulip server

Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an emai...

CVE-2024-56136 /api/v1/jwt/fetch_api_key endpoint can leak if an email address has an account in Zulip server

Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an emai...

CVE-2024-56136

Zulip Server 7.0 and above are affected by an information disclosure vulnerability that allows an unauthenticated attacker to determine whether an email address exists for a user on a server hosting multiple organizations (CVE-2024-56136). The issue is resolved in Zulip Server 9.4 and in the main...

CVE-2024-56136 /api/v1/jwt/fetch_api_key endpoint can leak if an email address has an account in Zulip server

Zulip server provides an open-source team chat that helps teams stay productive and focused. Zulip Server 7.0 and above are vulnerable to an information disclose attack, where, if a Zulip server is hosting multiple organizations, an unauthenticated user can make a request and determine if an emai...

Zulip server 信息泄露漏洞

Zulip server is an open source team chat application from Zulip, Inc. in the United States. An information disclosure vulnerability exists in Zulip server versions 7.0 through prior to 9.4, which stems from susceptibility to an information disclosure attack in which an unauthenticated user could...

PT-2025-3194 · Zulip · Zulip Server

Name of the Vulnerable Software and Affected Versions: Zulip Server versions 7.0 through 9.3 Description: The issue concerns an information disclosure attack where an unauthenticated user can determine if an email address is in use by a user on a Zulip server hosting multiple organizations. There...

CVE-2024-27286 Moving single messages from public to private streams leaves them accessible

Zulip is an open-source team collaboration tool. When a user moves a Zulip message, they have the option to move all messages in the topic, move only subsequent messages as well, or move just a single message. If the user chose to just move one message, and was moving it from a public stream to a...

CVE-2023-33186

CVE-2023-33186 affects Zulip Server: main development branch (from May 2, 2023) and beta releases 7.0-beta1/beta2. The issue is a cross-site scripting (XSS) vulnerability in tooltips on the message feed. If an attacker can send messages, they could craft a topic such that hovering the tooltip in ...

CVE-2023-33186 Cross-site scripting vulnerability in Zulip Server development branch via topic tooltip

Zulip is an open-source team collaboration tool with unique topic-based threading that combines the best of email and chat to make remote work productive and delightful. The main development branch of Zulip Server from May 2, 2023 and later, including beta versions 7.0-beta1 and 7.0-beta2, is...

CVE-2023-33186 Cross-site scripting vulnerability in Zulip Server development branch via topic tooltip

Zulip is an open-source team collaboration tool with unique topic-based threading that combines the best of email and chat to make remote work productive and delightful. The main development branch of Zulip Server from May 2, 2023 and later, including beta versions 7.0-beta1 and 7.0-beta2, is...

PT-2023-24203 · Unknown · Zulip Server

Name of the Vulnerable Software and Affected Versions: Zulip Server versions 7.0-beta1 through 7.0-beta2 and the main development branch from May 2, 2023 and later Description: The issue is related to a cross-site scripting vulnerability in tooltips on the message feed. An attacker who can send...