How severe is CVE-2026-4222?

CVE-2026-4222 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-4222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4222?

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

Does CVE-2026-4222 have an EU (EUVD) identifier?

Yes. CVE-2026-4222 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12359.

When was CVE-2026-4222 published?

CVE-2026-4222 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2026-4222

CVE-2026-4222 is a low-severity vulnerability with a CVSS 3.x base score of 3.8. 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-22.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
CVSS v2: 4.7
CVSS v4: 2.0
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12359
Weakness: CWE-22
Published: 2026-03-16
Last modified: 2026-06-17

Description

A vulnerability was determined in SSCMS up to 7.4.0. This vulnerability affects the function PathUtils.RemoveParentPath of the file /api/admin/plugins/install/actions/download. This manipulation of the argument path causes path traversal. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-4222?: A vulnerability was determined in SSCMS up to 7.4.0. This vulnerability affects the function PathUtils.RemoveParentPath of the file /api/admin/plugins/install/actions/download. This manipulation of the argument path causes path traversal. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-4222?: CVE-2026-4222 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-4222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4222 have an EU (EUVD) identifier?: Yes. CVE-2026-4222 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12359.
When was CVE-2026-4222 published?: CVE-2026-4222 was published on 2026-03-16 and last updated on 2026-06-17.

References

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