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 :
March 4, 2026, 9:31 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update the eopkg package manager to version 4.4.0.
- Ensure packages are installed only from trusted sources.
- Verify installed packages with lseopkg.
Public PoC/Exploit Available at Github
CVE-2026-21437 has a 4 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-21437.
| URL | Resource |
|---|---|
| https://github.com/getsolus/eopkg/commit/e7694323ed64e08b5b4b108fff273c64125cd39d | Patch |
| https://github.com/getsolus/eopkg/pull/201 | Issue Tracking Patch |
| https://github.com/getsolus/eopkg/releases/tag/v4.4.0 | Product Release Notes |
| https://github.com/getsolus/eopkg/security/advisories/GHSA-hjp7-qwrj-6cc6 | Patch Vendor Advisory |
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:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-21437
weaknesses.
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).
Mirror of https://github.com/nomi-sec/PoC-in-GitHub
None
None
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
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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.
-
Initial Analysis by [email protected]
Mar. 04, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Added CPE Configuration OR *cpe:2.3:a:getsol:eopkg:*:*:*:*:*:python:*:* versions up to (excluding) 4.4.0 Added Reference Type GitHub, Inc.: https://github.com/getsolus/eopkg/commit/e7694323ed64e08b5b4b108fff273c64125cd39d Types: Patch Added Reference Type GitHub, Inc.: https://github.com/getsolus/eopkg/pull/201 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/getsolus/eopkg/releases/tag/v4.4.0 Types: Product, Release Notes Added Reference Type GitHub, Inc.: https://github.com/getsolus/eopkg/security/advisories/GHSA-hjp7-qwrj-6cc6 Types: Patch, Vendor Advisory -
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