Multiple vulnerabilities in Zulip Server



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2025-30369
CVE-2025-30368
CWE-ID CWE-566
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Zulip Server
Web applications / Other software

Vendor Zulip

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Authorization Bypass Through User-Controlled SQL Primary Key

EUVDB-ID: #VU106255

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-30369

CWE-ID: CWE-566 - Authorization Bypass Through User-Controlled SQL Primary Key

Exploit availability: No

Description

The vulnerability allows a remote user to bypass security restrictions and on the target system.

The weakness exists due to authorization bypass through user-controlled key. A remote administrator can delete custom profile fields belonging to a different organization.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zulip Server: 1.6.0 - 10.0

CPE2.3 External links

https://github.com/zulip/zulip/security/advisories/GHSA-fcgx-q63f-7gw4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Authorization Bypass Through User-Controlled SQL Primary Key

EUVDB-ID: #VU106256

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-30368

CWE-ID: CWE-566 - Authorization Bypass Through User-Controlled SQL Primary Key

Exploit availability: No

Description

The vulnerability allows a remote user to bypass security restrictions and on the target system.

The weakness exists due to authorization bypass through user-controlled key. A remote administrator can delete the organization export of a different organization.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zulip Server: 10.0

CPE2.3 External links

https://github.com/zulip/zulip/security/advisories/GHSA-rmhr-5ffq-qcrc


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###