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CVE-2026-30945— StudioCMS: IDOR — Arbitrary API Token Revocation Leading to Denial of Service

Quick assessment

Affected
withstudiocms studiocms
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

StudioCMS是StudioCMS开源的一个内容管理系统。 StudioCMS 0.4.0之前版本存在安全漏洞，该漏洞源于DELETE /studiocms_api/dashboard/api-tokens端点验证不足，可能导致拒绝服务。

CVSS 7.1 · High EPSS 0.45% · P37
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I. Basic Information for CVE-2026-30945

Vulnerability Information
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Vulnerability Title
StudioCMS: IDOR — Arbitrary API Token Revocation Leading to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
StudioCMS is a server-side-rendered, Astro native, headless content management system. Prior to 0.4.0, the DELETE /studiocms_api/dashboard/api-tokens endpoint allows any authenticated user with editor privileges or above to revoke API tokens belonging to any other user, including admin and owner accounts. The handler accepts tokenID and userID directly from the request payload without verifying token ownership, caller identity, or role hierarchy. This enables targeted denial of service against critical integrations and automations. This vulnerability is fixed in 0.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
StudioCMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
StudioCMS是StudioCMS开源的一个内容管理系统。 StudioCMS 0.4.0之前版本存在安全漏洞，该漏洞源于DELETE /studiocms_api/dashboard/api-tokens端点验证不足，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
withstudiocms studiocms < 0.4.0 -

II. Public POCs for CVE-2026-30945

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6876 chars
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III. Intelligence Information for CVE-2026-30945

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Patches & Fixes for CVE-2026-30945 (1)

Vendor Advisories for CVE-2026-30945 (1)

Vendor Pages for CVE-2026-30945 (1)

IV. Related Vulnerabilities

Same product: studiocms
Same vendor: withstudiocms
Same weakness: CWE-639

V. Comments for CVE-2026-30945

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