How severe is CVE-2026-1107?

CVE-2026-1107 has a CVSS 3.x base score of 6.3, 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 low.

Is CVE-2026-1107 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1107?

CVE-2026-1107 primarily affects Eyoucms. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-1107?

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

Does CVE-2026-1107 have an EU (EUVD) identifier?

Yes. CVE-2026-1107 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3190.

When was CVE-2026-1107 published?

CVE-2026-1107 was published on 2026-01-18 and last updated on 2026-06-17.

CVE-2026-1107

CVE-2026-1107 is a medium-severity vulnerability in Eyoucms with a CVSS 3.x base score of 6.3. 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 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3190
Weakness: CWE-434
Affected product: Eyoucms
Published: 2026-01-18
Last modified: 2026-06-17

Description

A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-1107?: A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-1107?: CVE-2026-1107 has a CVSS 3.x base score of 6.3, 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 low.
Is CVE-2026-1107 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1107?: CVE-2026-1107 primarily affects Eyoucms. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-1107?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1107 have an EU (EUVD) identifier?: Yes. CVE-2026-1107 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3190.
When was CVE-2026-1107 published?: CVE-2026-1107 was published on 2026-01-18 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:eyoucms:eyoucms:1.7.0:*:*:*:*:*:*:*
cpe:2.3:a:eyoucms:eyoucms:1.7.1:*:*:*:*:*:*:*
cpe:2.3:a:eyoucms:eyoucms:5.0:*:*:*:*:*:*:*

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