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CVE-2026-80237
Thinking Software Technology｜Efence - Arbitrary File Upload
High8.7EPSS 0.79%
- Published
- Updated
- Reserved
- Assigned by
- twcert
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| twcertCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Deferred | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 |
- EPSS (exploitation in 30 days)
- 0.79% · top 44% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Weakness
Affected products
Thinking Software Technology · Efence
- affected ≤ 1.2.66 DB Ver:56
What to do
Solution: Please update to version 1.2.67 DB Ver:57 or later
References (2)
- https://www.twcert.org.tw/tw/cp-132-11133-e0167-1.html (opens in a new tab)third-party-advisory
- https://www.twcert.org.tw/en/cp-139-11137-c6e5f-2.html (opens in a new tab)third-party-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-80237)Record last updated .