CVE-2026-24050

5.4 MEDIUM
Published: February 06, 2026 Modified: February 23, 2026
View on NVD

Description

Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/zulip/zulip/releases/tag/11.5
Source: security-advisories@github.com
Release Notes
https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9
Source: security-advisories@github.com
Vendor Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.4 / 10.0
EPSS (Exploit Probability)
0.0%
2th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

zulip