CVE-2026-1428
CVE-2026-1428 is a high-severity vulnerability in Wellchoose Single Sign-on Portal System with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-4708
- Weakness: CWE-78
- Affected product: Wellchoose Single Sign-on Portal System
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-1428?
- 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.
- How severe is CVE-2026-1428?
- CVE-2026-1428 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-1428 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-1428?
- CVE-2026-1428 affects Wellchoose Single Sign-on Portal System. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-1428?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-1428 have an EU (EUVD) identifier?
- Yes. CVE-2026-1428 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4708.
- When was CVE-2026-1428 published?
- CVE-2026-1428 was published on 2026-01-26 and last updated on 2026-06-17.
References
- https://www.twcert.org.tw/en/cp-139-10655-59160-2.html
- https://www.twcert.org.tw/tw/cp-132-10654-23f40-1.html
Affected products (1)
- cpe:2.3:a:wellchoose:single_sign-on_portal_system:*:*:*:*:*:*:*:*
More vulnerabilities in Wellchoose Single Sign-on Portal System
- CVE-2026-1427 — High (CVSS 8.8): Single Sign-On Portal System developed by WellChoose has a OS Command Injection vulnerability, allowing authenticated…
- CVE-2026-1429 — Medium (CVSS 5.4): Single Sign-On Portal System developed by WellChoose has a Reflected Cross-site Scripting vulnerability, allowing…
All CVEs affecting Wellchoose Single Sign-on Portal System →
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