High severity · published Dec 9, 2025
CVE-2025-65594
OpenSIS 9.2 and below is vulnerable to Incorrect Access Control in Student.php, which allows an authenticated low-privilege user to perform unauthorized database write operations…
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
OpenSIS 9.2 and below is vulnerable to Incorrect Access Control in Student.php, which allows an authenticated low-privilege user to perform unauthorized database write operations relating to the data of other users.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Opensis · Os4ed
through 9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-65594
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-65594
Exploit
https://gitlab.com/tsuretettee/cve-2025-65594
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