CVE-2024-56136
Medium
Description
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 email address is in use by a user. Zulip Server 9.4 resolves the issue, as does the `main` branch of Zulip Server. Users are advised to upgrade. There are no known workarounds for this issue.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Zulip Server
PublishedJan 16, 2025
First seenJan 16, 2025
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- zulip zulip_server9.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zulip zulip_server | 7.0 ≤ v < 9.4 | 9.4 |
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