How severe is CVE-2026-22789?

CVE-2026-22789 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-22789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22789?

CVE-2026-22789 affects Wem-project Wem. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22789?

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

Does CVE-2026-22789 have an EU (EUVD) identifier?

Yes. CVE-2026-22789 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1998.

When was CVE-2026-22789 published?

CVE-2026-22789 was published on 2026-01-12 and last updated on 2026-06-17.

CVE-2026-22789

CVE-2026-22789 is a medium-severity vulnerability in Wem-project Wem with a CVSS 3.x base score of 5.4. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1998
Weakness: CWE-434
Affected product: Wem-project Wem
Published: 2026-01-12
Last modified: 2026-06-17

Description

WebErpMesv2 is a Resource Management and Manufacturing execution system Web for industry. Prior to 1.19, WebErpMesv2 contains a file upload validation bypass vulnerability in multiple controllers that allows authenticated users to upload arbitrary files, including PHP scripts, leading to Remote Code Execution (RCE). This vulnerability is identical in nature to CVE-2025-52130 but exists in different code locations that were not addressed by the original fix. This vulnerability is fixed in 1.19.

Frequently asked questions

What is CVE-2026-22789?: WebErpMesv2 is a Resource Management and Manufacturing execution system Web for industry. Prior to 1.19, WebErpMesv2 contains a file upload validation bypass vulnerability in multiple controllers that allows authenticated users to upload arbitrary files, including PHP scripts, leading to Remote Code Execution (RCE). This vulnerability is identical in nature to CVE-2025-52130 but exists in different code locations that were not addressed by the original fix. This vulnerability is fixed in 1.19.
How severe is CVE-2026-22789?: CVE-2026-22789 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-22789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22789?: CVE-2026-22789 affects Wem-project Wem. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22789 have an EU (EUVD) identifier?: Yes. CVE-2026-22789 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1998.
When was CVE-2026-22789 published?: CVE-2026-22789 was published on 2026-01-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wem-project:wem:1.18:*:*:*:*:*:*:*

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