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CVE-2026-31815— django-unicorn affected by component state manipulation via unvalidated attribute access

Quick assessment

Affected
django-commons django-unicorn
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.

Unicorn是World Wide Web Consortium开源的一个验证器。通过执行各种检查来帮助人们提高网页的质量。 Unicorn 0.67.0之前版本存在安全漏洞，该漏洞源于属性更新和方法调用期间缺少访问控制检查，可能导致组件状态被操纵。

CVSS 5.3 · Medium EPSS 0.34% · P26
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I. Basic Information for CVE-2026-31815

Vulnerability Information
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Vulnerability Title
django-unicorn affected by component state manipulation via unvalidated attribute access
Source: CVE Program / CVE List V5
Vulnerability Description
Unicorn adds modern reactive component functionality to your Django templates. Prior to 0.67.0, component state manipulation is possible in django-unicorn due to missing access control checks during property updates and method calls. An attacker can bypass the intended _is_public protection to modify internal attributes such as template_name or trigger protected methods. This vulnerability is fixed in 0.67.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Unicorn 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Unicorn是World Wide Web Consortium开源的一个验证器。通过执行各种检查来帮助人们提高网页的质量。 Unicorn 0.67.0之前版本存在安全漏洞，该漏洞源于属性更新和方法调用期间缺少访问控制检查，可能导致组件状态被操纵。
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
django-commons django-unicorn < 0.67.0 -

II. Public POCs for CVE-2026-31815

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III. Intelligence Information for CVE-2026-31815

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Vendor Advisories for CVE-2026-31815 (1)

IV. Related Vulnerabilities

Same product: django-unicorn
Same weakness: CWE-284

V. Comments for CVE-2026-31815

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