CVE-2026-90710 taisan tarzan-cms Theme Download Function ThemeService.java openConnection server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the theme download function to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90710?
CVE-2026-90710 is a medium-severity server-side request forgery vulnerability in taisan tarzan-cms, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-918
Which versions are affected by CVE-2026-90710?
How do I fix CVE-2026-90710?
No fix has been published for CVE-2026-90710 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-90710 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90710 exists.
Sources
Also known as GHSA-v8rq-g678-pm22.