How severe is CVE-2026-9484?

CVE-2026-9484 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-2026-9484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9484?

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

Does CVE-2026-9484 have an EU (EUVD) identifier?

Yes. CVE-2026-9484 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31722.

When was CVE-2026-9484 published?

CVE-2026-9484 was published on 2026-05-25 and last updated on 2026-06-17.

CVE-2026-9484

CVE-2026-9484 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% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31722
Weakness: CWE-266
Published: 2026-05-25
Last modified: 2026-06-17

Description

A vulnerability was determined in SourceCodester Student Grades Management System 1.0. Affected by this vulnerability is the function getClassroomStudents/removeStudentFromClassroom of the file classroom.php. Executing a manipulation of the argument classroom_id can lead to improper authorization. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2026-9484?: A vulnerability was determined in SourceCodester Student Grades Management System 1.0. Affected by this vulnerability is the function getClassroomStudents/removeStudentFromClassroom of the file classroom.php. Executing a manipulation of the argument classroom_id can lead to improper authorization. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2026-9484?: CVE-2026-9484 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-2026-9484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9484 have an EU (EUVD) identifier?: Yes. CVE-2026-9484 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31722.
When was CVE-2026-9484 published?: CVE-2026-9484 was published on 2026-05-25 and last updated on 2026-06-17.

References

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