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CVE-2026-21437— eopkg vulnerable to package file list integrity bypass

Quick assessment

Affected
getsolus eopkg
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.

eopkg是GetSolus开源的一个包管理器。 eopkg 4.4.0之前版本存在安全漏洞，该漏洞源于恶意软件包可能包含eopkg未跟踪的文件，导致相关工具无法显示这些文件。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1587.001 · Malware
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I. Basic Information for CVE-2026-21437

Vulnerability Information
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Vulnerability Title
eopkg vulnerable to package file list integrity bypass
Source: CVE Program / CVE List V5
Vulnerability Description
eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could include files that are not tracked by `eopkg`. This requires the installation of a package from a malicious or compromised source. Files in such packages would not be shown by `lseopkg` and related tools. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺失完整性检查支持
Source: CVE Program / CVE List V5
Vulnerability Title
eopkg 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
eopkg是GetSolus开源的一个包管理器。 eopkg 4.4.0之前版本存在安全漏洞，该漏洞源于恶意软件包可能包含eopkg未跟踪的文件，导致相关工具无法显示这些文件。
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
getsolus eopkg < 4.4.0 -

II. Public POCs for CVE-2026-21437

# POC Description Source Link Shenlong Link
1 None https://github.com/osmancanvural/CVE-2026-21437 POC Details
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III. Intelligence Information for CVE-2026-21437

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Patches & Fixes for CVE-2026-21437 (2)

Vendor Advisories for CVE-2026-21437 (1)

Other References for CVE-2026-21437 (1)

IV. Related Vulnerabilities

Same product: eopkg
Same vendor: getsolus
Same weakness: CWE-353

V. Comments for CVE-2026-21437

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