CVE-2026-80237 Thinking Software Technology｜Efence - Arbitrary File Upload
Authenticated attackers can upload malicious files to execute arbitrary code on the Efence server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80237?
CVE-2026-80237 is a high-severity vulnerability in Thinking Software Technology Efence, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-434
Which versions are affected by CVE-2026-80237?
How do I fix CVE-2026-80237?
No fix has been published for CVE-2026-80237 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-80237 being exploited?
There is no known exploitation of CVE-2026-80237 in the wild and no public exploit code.
Sources
Also known as GHSA-5w42-7c8c-6jj3.