Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionGitHub Advisory
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Prior to 12.0, With message_edit_history_visibility_policy set to "moves", /api/v1/messages/{id}/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages.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 vulnerability is fixed in 12.0.
Analysis
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Prior to 12.0, With message_edit_history_visibility_policy set to "moves", /api/v1/messages/{id}/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages.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 vulnerability is fixed in 12.0.
Zulip is an open source team chat server. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable,
Zulip is an open source team chat tool. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low
Jenkins Zulip Plugin 1.1.0 and earlier stored credentials unencrypted in its global configuration file on the Jenkins ma
Zulip is an open source group chat application. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitab
Path traversal in Zulip's ./manage.py import function allows local attackers to read arbitrary files from the server fil
Zulip is an open source team chat and Zulip Mobile is an app for iOS and Andriod users. Rated medium severity (CVSS 5.7)
Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the construct_copy_div function in copy_and_paste.js. Rated me
Zulip 8.3 is vulnerable to Cross Site Scripting (XSS) via the replace_emoji_with_text function in ui_util.ts. Rated medi
Zulip versions 1.4.0 through 11.5 allow unauthenticated retrieval of attachments and topic history from web-public strea
Zulip is an open source group chat application that combines real-time chat with threaded conversations. Rated medium se
Zulip is an open-source team collaboration tool with topic-based threading that combines email and chat. Rated medium se
Zulip is an open-source team collaboration tool with unique topic-based threading. Rated low severity (CVSS 3.7), this v
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-29537