CVE-2026-80235

critical · 9.3

EFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Unauthenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

9.3

CVSS

0.9%

EPSS (exploit prob.)

59th

EPSS percentile

2026-08-26

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-434

References

https://www.twcert.org.tw/en/cp-139-11137-c6e5f-2.html
https://www.twcert.org.tw/tw/cp-132-11133-e0167-1.html

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-80235