Vulnerability · Published Sep 14, 2026 · Assigned by VulDB
CVE-2026-90710taisan tarzan-cms Theme Download Function ThemeService.java openConnection server-side request forgery
High 7.3
In plain English
A high-severity server-side request forgery in tarzan-cms from taisan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official description
A vulnerability was determined in taisan tarzan-cms 1.0.0. This issue affects the function openConnection of the file com/tarzan/cms/modules/admin/service/biz/ThemeService.java of the component Theme Download Function. Executing a manipulation of the argument httpUrl can lead to server-side request forgery. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| taisan | tarzan-cms | 1.0.0 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-403265 | taisan tarzan-cms Theme Download Function ThemeService.java openConnection server-side request forgery vdb-entry, technical-description
- VDB-403265 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-90710 | CVE Analysis and Report third-party-advisory
- Submit #918522 | taisan Tarzan CMS 1.0.0 and earlier Server-Side Request Forgery (SSRF) third-party-advisory
- https://gitee.com/taisan/tarzan-cms/issues/IK768M exploit, issue-tracking
- https://gitee.com/taisan/tarzan-cms/ product