CVE-2022-35962: Crafted link in Zulip message can cause disclosure of credentials

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-29 · updated 2026-06-17
Weakness: CWE-184

Description

Zulip is an open source team chat and Zulip Mobile is an app for iOS and Andriod users. In Zulip Mobile through version 27.189, a crafted link in a message sent by an authenticated user could lead to credential disclosure if a user follows the link. A patch was released in version 27.190.

Affected products

zulip: before 27.190 — fixed in 27.190

How to fix

Upgrade to a fixed version: zulip 27.190. Check the vendor advisory for mitigations.

References

https://blog.zulip.com/2022/08/24/zulip-server-5-6-security-release/
https://github.com/zulip/zulip-mobile/releases/tag/v27.190
https://github.com/zulip/zulip-mobile/security/advisories/GHSA-4gj2-j32x-4wg5
https://blog.zulip.com/2022/08/24/zulip-server-5-6-security-release/
https://github.com/zulip/zulip-mobile/releases/tag/v27.190
https://github.com/zulip/zulip-mobile/security/advisories/GHSA-4gj2-j32x-4wg5

Get alerted when CVE-2022-35962 or the next vulnerability affects your stack