Vulnerability · Published Aug 26, 2026 · Assigned by twcert
CVE-2026-80237Thinking Software Technology｜Efence - Arbitrary File Upload
High 8.8
In plain English
A high-severity unrestricted file upload in Efence from Thinking Software Technology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 43.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
EFence developed by Thinking Software Technology has an Arbitrary File Upload vulnerability. Authenticated remote attackers can upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Thinking Software Technology | Efence | 0 – through 1.2.66 DB Ver:56 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-11133-e0167-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-11137-c6e5f-2.html third-party-advisory