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Vulnerabilities

Security incident · CVE-2026-21436

eopkg is a Solus package manager implemented in python3.

Published Jan 1, 2026 · catalog updated Jan 2, 2026 · eopkg is a Solus

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21436. EPSS is 0.29%. Act only if a listed version of eopkg is a Solus is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (eopkg is a Solus).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Version ranges on file
Affected products
vendor getsolus eopkg < 4.4.0

eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by . This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by , but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositories are not affected.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor getsolus eopkg < 4.4.0< 4.4.0

How to fix CVE-2026-21436

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21436. EPSS is 0.29%. Act only if a listed version of eopkg is a Solus is installed.

Which versions are affected?

Compare what you have installed with getsolus eopkg < 4.4.0 < 4.4.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 1, 2026 · EUVD

    Detected

    eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by . This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by , but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing package

  2. Jan 2, 2026 · EUVD

    Updated

    eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by . This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the path given by , but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing package

Sources

  • CVE.orgVulnerability recordCVE-2026-21436

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21436

    30-day exploitation probability 0.29%

    first.org
  • EUVDVulnerability recordEUVD-2026-0025

    eopkg is a Solus package manager implemented in python3. In versions prior to 4.4.0, a malicious package could escape the directory set by . This requires the installation of a package from a malicious or compromised source. Files in such packages would not be installed in the pa

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026