CVE-2026-80237 json
Thinking Software Technology｜Efence - Arbitrary File Upload
published 2mo ago modified 2mo ago also EUVD-2026-66346
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2mo ago
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | 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 |
| CNA | 4.0 | 8.7 | 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 |
Affected products
- Thinking Software Technology Efence
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
twcert.org.tw
/tw/cp-132-11133-e0167-1.html
third-party-advisory
-
twcert.org.tw
/en/cp-139-11137-c6e5f-2.html
third-party-advisory
Sources
- CVE List CVE-2026-80237
- NVD CVE-2026-80237
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.