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I. Basic Information for CVE-2026-33474
Vulnerability Information

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Vulnerability Title
Vikunja Affected by DoS via Image Preview Generation
Source: NVD (National Vulnerability Database)
Vulnerability Description
Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vikunja 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vikunja是Vikunja开源的一个待办事项应用程序。 Vikunja 1.0.0-rc0版本至2.2.0之前版本存在资源管理错误漏洞,该漏洞源于预览生成期间无限制的图像解码和调整大小,可能导致CPU和内存耗尽。
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
VendorProductAffected VersionsCPESubscribe
go-vikunjavikunja >= 1.0.0-rc0, < 2.2.0 -
II. Public POCs for CVE-2026-33474
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III. Intelligence Information for CVE-2026-33474
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IV. Related Vulnerabilities
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