How severe is CVE-2026-5670?

CVE-2026-5670 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-2026-5670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5670?

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

Does CVE-2026-5670 have an EU (EUVD) identifier?

Yes. CVE-2026-5670 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19398.

When was CVE-2026-5670 published?

CVE-2026-5670 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-5670

CVE-2026-5670 is a medium-severity vulnerability 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19398
Weakness: CWE-284
Published: 2026-04-06
Last modified: 2026-06-17

Description

A vulnerability was found in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. This issue affects the function move_uploaded_file of the file /AssignmentSection/submission/upload.php. Performing a manipulation of the argument File results in unrestricted upload. The attack can be initiated remotely. The exploit has been made public and could be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-5670?: A vulnerability was found in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. This issue affects the function move_uploaded_file of the file /AssignmentSection/submission/upload.php. Performing a manipulation of the argument File results in unrestricted upload. The attack can be initiated remotely. The exploit has been made public and could be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-5670?: CVE-2026-5670 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-2026-5670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5670?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5670 have an EU (EUVD) identifier?: Yes. CVE-2026-5670 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19398.
When was CVE-2026-5670 published?: CVE-2026-5670 was published on 2026-04-06 and last updated on 2026-06-17.

References

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