Zulip is an open-source team collaboration tool. The API for deleting an organization custom profile field is supposed to be restricted to organization administrators, but its handler failed to check that the field belongs to the same organization as the user. Therefore, an administrator of any organization was incorrectly allowed to delete custom profile fields belonging to a different organization. This is fixed in Zulip Server 10.1.
CVE-2025-30369
This low-severity CVE scores 2.7 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 58% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 2.7
- EG Score
- 2.7(medium)
- EG Risk
- —
- EPSS
- 17.2%
- KEV
- Not listed
Published
March 31, 2025
Last Modified
September 27, 2025
References (1)
- security-advisories@githubhttps://github.com/zulip/zulip/security/advisories/GHSA-fcgx-q63f-7gw4
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-30 08:32 UTCEG score recompute
- 2026-05-29 18:20 UTCOSV refresh
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Frequently asked(5)
What is CVE-2025-30369?
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Is CVE-2025-30369 actively exploited?
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Dependency Blast Radius
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