Vulnerability in Cellopoint Celloos
CVE-2026-12059
The SSH service of CelloOS developed by Cellopoint has an Improper Access Control vulnerability, allowing authenticated remote attackers to bypass the enforced command restrictions and execute operating system commands outside the originally authorized scope.
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: 0.004 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cellopoint Celloos — versions 0
Weakness classification (CWE)
References
- www.twcert.org.tw/en/cp-139-10965-3ce75-2.html (third-party-advisory)
- www.twcert.org.tw/tw/cp-132-10966-3258e-1.html (third-party-advisory)
Frequently asked questions
- What is CVE-2026-12059?
- CVE-2026-12059 is a high-severity vulnerability in Cellopoint Celloos, classified under Improper Validation of Specified Quantity in Input. CVSS score: 8.8/10. Published 2026-06-12.
- How severe is CVE-2026-12059?
- High severity. CVSS v3 base score is 8.8 out of 10.