MEDIUM
CVE-2026-9483
CWE-266Published: May 25, 2026· Updated: May 26, 2026
6.3
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:10.9th
Official 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.
Technical Analysis
CVE-2026-9483 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected Vendors & Products
Mentioned vendors (from description):
PHP
CPE data not yet available in NVD for this CVE.
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Rapid7 / Metasploit
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (5)
Quick Facts
CVE IDCVE-2026-9483
CVSS Score6.3 / 10
SeverityMEDIUM
WeaknessCWE-266
CISA KEVNo
EPSS (30d)0.04%
PublishedMay 25, 2026
Related CVEs (CWE-266)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-9483 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.