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CVE-2026-123490— Craft CMS before 5.11.2 Privilege Escalation via getOwners() Sandbox Bypass

Quick assessment

Affected
craftcms cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Craft CMS 5.8.17 至 5.11.2 版本之前存在权限提升漏洞，原因是 方法在应用调用者条件时未对查询配置进行净化。经过身份验证的控制台用户可以通过精心构造的条件，调用攻击者选定的静态 PHP 可调用函数，从而将所有账户提升为管理员权限。

CVSS 8.8 · High
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I. Basic Information for CVE-2026-123490

Vulnerability Information
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Vulnerability Title
Craft CMS before 5.11.2 Privilege Escalation via getOwners() Sandbox Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Craft CMS from 5.8.17 before 5.11.2 contains a privilege escalation vulnerability because getOwners() applies caller criteria without cleansing the query configuration. Authenticated control panel users can invoke attacker-selected static PHP callables via crafted criteria to promote every account to administrator.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-915
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
craftcms cms 5.8.17 ~ 5.11.2 -

II. Public POCs for CVE-2026-123490

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III. Intelligence Information for CVE-2026-123490

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Other References for CVE-2026-123490 (2)

Same Patch Batch · craftcms · 2026-11-06 · 4 CVEs total

CVE-2026-123488 9.8 CRITICAL Craft CMS 4.0.0 before 4.18.9 SQL Injection via Element Search Endpoint
CVE-2026-123491 8.2 HIGH Craft CMS 4.0.0 before 4.18.9 Unauthenticated SQL Injection via GraphQL Eager-Load Select
CVE-2026-123489 7.1 HIGH Craft CMS 4.0.0 before 4.18.9 Blind SQL Injection via getNext/getPrev Criteria

IV. Related Vulnerabilities

Same product: cms
Same vendor: craftcms
Same weakness: CWE-915