Medium severity6.5NVD Advisory· Published May 12, 2026· Updated May 13, 2026
CVE-2026-40300
CVE-2026-40300
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Prior to 12.0, With message_edit_history_visibility_policy set to "moves", /api/v1/messages/{id}/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages.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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- github.com/zulip/zulip/security/advisories/GHSA-jp8f-mvv6-89crnvdExploitVendor Advisory
News mentions
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