medium5.4
CVE-2026-24050
Zulip is an open-source team collaboration tool.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zulip | Zulip Server | from 5.0 before 11.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/zulip/zulip/commit/e6093d9e4788f4d82236d856c5ed7b16767886a7
- https://github.com/zulip/zulip/releases/tag/11.5
- https://github.com/zulip/zulip/security/advisories/GHSA-56qv-8823-6fq9
- https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-11-5