CVE-2026-44097 File Upload vulnerability
A low-privileged attacker can upload arbitrary files via a firmware update endpoint, potentially causing resource exhaustion and denial of service.
- 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-2026-44097?
CVE-2026-44097 is a medium-severity vulnerability in Phoenix Contact CHARX SEC-3000, published on 30 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A low-privileged remote attacker with "operator" access can upload arbitrary files via the REST endpoint intended for firmware updates, resulting in persistent storage of attacker-controlled files and potentially exhausting resources, which might lead to Denial-of-Service.
Weakness: CWE-434
Which versions are affected by CVE-2026-44097?
How do I fix CVE-2026-44097?
No fix has been published for CVE-2026-44097 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-44097 being exploited?
There is no known exploitation of CVE-2026-44097 in the wild and no public exploit code.
Sources
Also known as GHSA-873j-vp5v-78x9.