PatchTheCVECVE-2026-21437: eopkg is a Solus package manager implemented in python3
CVE-2026-21437 is a medium-severity flaw (CVSS 5.5) affecting eopkg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 94%) |
| CISA exploited list | No |
| Weakness | CWE-353 |
| Published | 2026-01-01 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-21437?
eopkg: upgrade to 4.4.0. Exact commands for each OS are on this page.
Is CVE-2026-21437 being exploited?
CVE-2026-21437 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-21437 affect?
CVE-2026-21437 affects eopkg. Severity is medium (CVSS 5.5). 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
How urgent is CVE-2026-21437?
Priority 21/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-21436 MEDIUM 5.5 UPGRADE eopkg is a Solus package manager implemented in python3