CVE-2026-103115

MEDIUM 6.3

OS4ED openSIS-Classic Student Search CustomFieldsFnc.php sql injection

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in OS4ED openSIS-Classic up to 9.3. This affects an unknown function of the file functions/CustomFieldsFnc.php of the component Student Search. The manipulation of the argument cust results in sql injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-89 CWE-74
Vendor	os4ed
Product	opensis-classic
Published	Sep 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

OS4ED / openSIS-Classic

9.0 9.1 9.2 9.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/411871 vuldb.com: https://vuldb.com/vuln/411871/cti vuldb.com: https://vuldb.com/cve/CVE-2026-103115 vuldb.com: https://vuldb.com/submit/954961 github.com: https://github.com/OS4ED/openSIS-Classic/issues/475 github.com: https://github.com/OS4ED/openSIS-Classic/

Credits

🔍 360alphalab (VulDB User) VulDB CNA Team