CVE-2026-40300
Analyzed
Analyzed - Analysis Complete
BaseFortify
Vulnerability report for CVE-2026-40300, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-05-12
Last updated on: 2026-05-13
Assigner: GitHub, Inc.
Description
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Prior to 12.0, With message_edit_history_visibility_policy set to "moves", /api/v1/messages/{id}/history still returns historical content values, allowing low-privilege users to recover text that was edited away from other users' messages.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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| zulip | zulip_server | 10.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo | |
| CWE-284 | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
