2.0
LOW CVSS 4.0
CVE-2026-21437
eopkg vulnerable to package file list integrity bypass
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.

INFO

Published Date :

Jan. 1, 2026, 6:15 p.m.

Last Modified :

Jan. 1, 2026, 6:15 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-21437 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 LOW [email protected]
Solution
Update eopkg to version 4.4.0 or later to fix package management vulnerabilities.
  • Update the eopkg package manager to version 4.4.0.
  • Ensure packages are installed only from trusted sources.
  • Verify installed packages with lseopkg.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-21437 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-21437 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-21437 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 01, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:L/AT:P/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-353
    Added Reference https://github.com/getsolus/eopkg/commit/e7694323ed64e08b5b4b108fff273c64125cd39d
    Added Reference https://github.com/getsolus/eopkg/pull/201
    Added Reference https://github.com/getsolus/eopkg/releases/tag/v4.4.0
    Added Reference https://github.com/getsolus/eopkg/security/advisories/GHSA-hjp7-qwrj-6cc6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 2.0
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
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SS Confidentiality
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