CVE-2026-40300
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
May 12, 2026
Vendor
unknown
Description
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Prior to 12.0, With message_edit_history_visibility_policy set to "moves", /api/v1/messages/{id}/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages.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.