RCE in Wellchoose Single Sign-On Portal System
CVE-2026-1427
Single Sign-On Portal System developed by WellChoose has a OS Command Injection vulnerability, allowing authenticated remote attackers to inject arbitrary OS commands and execute them on the server.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.014 · change: +0.001
Affected products
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-10654-23f40-1.html (Third Party Advisory, third-party-advisory)
- www.twcert.org.tw/en/cp-139-10655-59160-2.html (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-1427?
- CVE-2026-1427 is a high-severity vulnerability in Wellchoose Single Sign-On Portal System, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-01-26.
- How severe is CVE-2026-1427?
- High severity. CVSS v3 base score is 8.8 out of 10.