CVE-2026-90710Public exploitNetwork attack vector

Unauthenticated SSRF via unrestricted theme download URL

Published Sep 14, 2026 · Updated Sep 14, 2026

Server-side request forgery in Taisan AI Tarzan CMS 1.0.0 allows remote attackers to make server-originated requests via theme downloads. ThemeService.openConnection passes the Theme Download Function's attacker-controlled httpUrl value to a URL connection without restricting its destination. No authentication is required, and requests can reach resources accessible to the CMS server; further concrete consequences are not documented.

CVSS severityUnavailable
Unscored
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side request forgery in Taisan AI Tarzan CMS 1.0.0 allows remote attackers to make server-originated requests via theme downloads. ThemeService.openConnection passes the Theme Download Function's attacker-controlled httpUrl value to a URL connection without restricting its destination. No authentication is required, and requests can reach resources accessible to the CMS server; further concrete consequences are not documented.

The record

CVE
CVE-2026-90710
Published
Sep 14, 2026
Updated
Sep 14, 2026
Vendor
Taisan AI
Product
Tarzan CMS
Classifications
CWE-918, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 14, 2026Record 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.

  1. Affected versionversion=1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Taisan AI · Tarzan CMSversion=1.0.0

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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