SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-103115

The manipulation of the argument cust results in sql injection.

LOW 2.1EPSS 0.25%

Does this matter?

Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 4.0
2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.25% probability · 16th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-74, CWE-89
Source
cna@vuldb.com
EPSS trend
0%3%5%1 October 2026: 0.33%27 October 2026: 0.25%1 October 202627 October 2026

EPSS moved from 0.3% on 1 October 2026 to 0.3% on 27 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.