Information disclosure in Zulip
CVE-2025-25195
Zulip is an open source team chat application. A weekly cron job (added in 50256f48314250978f521ef439cafa704e056539) demotes channels to being "inactive" after they have not received traffic for 180 days. However, upon doing so, an event…
Vulnerability class: Information Disclosure
EPSS: 0.002 (40.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Zulip — versions >= 50256f48314250978f521ef439cafa704e056539, < 75be449d456d29fef27e9d1828bafa30174284b4
Weakness classification (CWE)
References
- https://github.com/zulip/zulip/security/advisories/GHSA-x8cx-3hq5-4wj9 (x_refsource_CONFIRM)
- https://github.com/zulip/zulip/commit/50256f48314250978f521ef439cafa704e056539 (x_refsource_MISC)
- https://github.com/zulip/zulip/commit/75be449d456d29fef27e9d1828bafa30174284b4 (x_refsource_MISC)
- https://github.com/zulip/zulip/commit/a2a1a7f8d152296c8966f1380872c0ac69e5c87e (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-25195?
- CVE-2025-25195 is a medium-severity vulnerability in Zulip, classified under Information Disclosure. CVSS score: 4.3/10. Published 2025-02-13.
- How severe is CVE-2025-25195?
- Medium severity. CVSS v3 base score is 4.3 out of 10.