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CVE-2026-3816— OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service

Quick assessment

Affected
OWASP DefectDojo
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.

OWASP DefectDojo是美国OWASP基金会的一个功能强大的漏洞管理平台和 DevSecOps 平台。 OWASP DefectDojo 2.55.4及之前版本存在安全漏洞，该漏洞源于组件SonarQubeParser/MSDefenderParser的parser.py文件中函数input_zip.read存在错误，可能导致拒绝服务攻击。

CVSS 4.3 · Medium EPSS 0.54% · P43

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2026-3816

Vulnerability Information
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Vulnerability Title
OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in OWASP DefectDojo up to 2.55.4. This vulnerability affects the function input_zip.read of the file parser.py of the component SonarQubeParser/MSDefenderParser. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.56.0 is able to resolve this issue. The identifier of the patch is e8f1e5131535b8fd80a7b1b3085d676295fdcd41. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
OWASP DefectDojo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OWASP DefectDojo是美国OWASP基金会的一个功能强大的漏洞管理平台和 DevSecOps 平台。 OWASP DefectDojo 2.55.4及之前版本存在安全漏洞，该漏洞源于组件SonarQubeParser/MSDefenderParser的parser.py文件中函数input_zip.read存在错误，可能导致拒绝服务攻击。
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
OWASP DefectDojo 2.55.0 -

II. Public POCs for CVE-2026-3816

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III. Intelligence Information for CVE-2026-3816

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Patches & Fixes for CVE-2026-3816 (2)

Vendor Advisories for CVE-2026-3816 (2)

Vendor Pages for CVE-2026-3816 (1)

Other References for CVE-2026-3816 (2)

IV. Related Vulnerabilities

Same product: DefectDojo
Same vendor: OWASP
Same weakness: CWE-404

V. Comments for CVE-2026-3816

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