Cross-organization export deletion via missing ownership check
Published Mar 31, 2025 · Updated Mar 31, 2025
Authorization bypass in Zulip Server 10.0-beta1 through 10.0 allows remote authenticated users to delete another organization's export through the API. The organization-export deletion handler accepts an export identifier and deletes the referenced record without checking whether it belongs to the administrator's organization. Exploitation requires administrator access to any organization and a server hosting multiple organizations, a configuration normally disabled by default.
Summary
What happened
Authorization bypass in Zulip Server 10.0-beta1 through 10.0 allows remote authenticated users to delete another organization's export through the API. The organization-export deletion handler accepts an export identifier and deletes the referenced record without checking whether it belongs to the administrator's organization. Exploitation requires administrator access to any organization and a server hosting multiple organizations, a configuration normally disabled by default.
The record
- CVE
- CVE-2025-30368
- Published
- Mar 31, 2025
- Updated
- Mar 31, 2025
- Vendor
- Zulip
- Product
- Zulip
- Classifications
- CWE-566, T1485
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Mar 31, 2025CVE publishedPublication date reported by the CVE source.
- Mar 31, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=>= 10.0-beta1, < 10.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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