CVE-2026-21436: eopkg is a Solus package manager implemented in python3

Routine

MEDIUM 5.5UPGRADE

CVE-2026-21436 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 escape the directory set by `--destdir`. 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 `--destdir`, but on a different location on the host. The issue has been fixed in v4.4.0. Users only installing packages from the Solus repositorie

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	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-24
Published	2026-01-01
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: getsol

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-01 18:15 UTCPublished CVE record published
2026-06-17 10:18 UTCUpdated Record last modified

getsol eopkg UPGRADE

Affected: < 4.4.0

Fixed in: 4.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show eopkg

2. UPGRADE to 4.4.0

pip install --upgrade "eopkg>=4.4.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-21436?

eopkg: upgrade to 4.4.0. Exact commands for each OS are on this page.

Is CVE-2026-21436 being exploited?

CVE-2026-21436 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-2026-21436 affect?

CVE-2026-21436 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 escape the directory set by `--destdir`. This requires the installation of a package from a malicious or compromised source. File

How urgent is CVE-2026-21436?

Priority 25/100. No elevated risk signals yet.

Related CVEs

CVE-2026-21437 MEDIUM 5.5 UPGRADE eopkg is a Solus package manager implemented in python3

References

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