How severe is CVE-2026-9483?

CVE-2026-9483 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-2026-9483 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9483?

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

Does CVE-2026-9483 have an EU (EUVD) identifier?

Yes. CVE-2026-9483 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31715.

When was CVE-2026-9483 published?

CVE-2026-9483 was published on 2026-05-25 and last updated on 2026-06-17.

CVE-2026-9483

CVE-2026-9483 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31715
Weakness: CWE-266
Published: 2026-05-25
Last modified: 2026-06-17

Description

A vulnerability was found in SourceCodester Student Grades Management System 1.0. Affected is an unknown function of the file grades.php. Performing a manipulation of the argument student_id results in improper authorization. The attack may be initiated remotely. The exploit has been made public and could be used.

Frequently asked questions

What is CVE-2026-9483?: A vulnerability was found in SourceCodester Student Grades Management System 1.0. Affected is an unknown function of the file grades.php. Performing a manipulation of the argument student_id results in improper authorization. The attack may be initiated remotely. The exploit has been made public and could be used.
How severe is CVE-2026-9483?: CVE-2026-9483 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-2026-9483 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9483?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9483 have an EU (EUVD) identifier?: Yes. CVE-2026-9483 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31715.
When was CVE-2026-9483 published?: CVE-2026-9483 was published on 2026-05-25 and last updated on 2026-06-17.

References

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