How severe is CVE-2026-21437?

CVE-2026-21437 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-21437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21437?

CVE-2026-21437 affects Getsol Eopkg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-21437?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21437 have an EU (EUVD) identifier?

Yes. CVE-2026-21437 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0024.

When was CVE-2026-21437 published?

CVE-2026-21437 was published on 2026-01-01 and last updated on 2026-06-17.

CVE-2026-21437

CVE-2026-21437 is a medium-severity vulnerability in Getsol Eopkg with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-353.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 2.0
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-0024
Weakness: CWE-353
Affected product: Getsol Eopkg
Published: 2026-01-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-21437?: 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.
How severe is CVE-2026-21437?: CVE-2026-21437 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-21437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21437?: CVE-2026-21437 affects Getsol Eopkg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-21437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21437 have an EU (EUVD) identifier?: Yes. CVE-2026-21437 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0024.
When was CVE-2026-21437 published?: CVE-2026-21437 was published on 2026-01-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:getsol:eopkg:*:*:*:*:*:python:*:*

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