What is CVE-2025-26186?

CVE-2025-26186 is a high-severity vulnerability in Os4ed Opensis, classified under SQL Injection. CVSS score: 8.1/10. Published 2025-07-15.

How severe is CVE-2025-26186?

High severity. CVSS v3 base score is 8.1 out of 10.

SQL Injection in Os4ed Opensis

CVE-2025-26186

SQL Injection vulnerability in openSIS v.9.1 allows a remote attacker to execute arbitrary code via the id parameter in Ajax.php

Vulnerability class: SQL Injection

Published 2025-07-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.4th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Os4ed Opensis — versions 9.1

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.os4ed.com/ (Product)
github.com/OS4ED/openSIS-Classic/pull/330 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2025-26186?: CVE-2025-26186 is a high-severity vulnerability in Os4ed Opensis, classified under SQL Injection. CVSS score: 8.1/10. Published 2025-07-15.
How severe is CVE-2025-26186?: High severity. CVSS v3 base score is 8.1 out of 10.