CVE-2026-35077 Arbitrary file delete vulnerability in method ugw-delete-file
Remote attackers with user privileges can delete arbitrary local files on MBS industrial gateways due to insufficient input validation in the file deletion method.
- 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-2026-35077?
CVE-2026-35077 is a high-severity path traversal vulnerability in MBS Double-A Profibus, published on 3 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The ugw-delete-file method allows a remote attacker with user privileges to delete arbitrary local files due to insufficient validation of user-controlled input.
Weakness: CWE-73
Which versions are affected by CVE-2026-35077?
It affects 1 product.
Products include Mbs-Solutions Universal Gateway Firmware.
How do I fix CVE-2026-35077?
No fix has been published for CVE-2026-35077 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-35077 being exploited?
There is no known exploitation of CVE-2026-35077 in the wild and no public exploit code.
Other vulnerabilities in MBS Double-A Profibus
- CVE-2026-35075 Hardcoded default Password for Service Account
- CVE-2026-35082 Local file inclusion vulnerability and deletion in ugw-logread method
- CVE-2026-35083 Stack buffer overflow in method bac-deviceobject
- CVE-2026-35084 Stack buffer overflow in method dali-devconfig
- CVE-2026-35085 Stack buffer overflow in method gdv-serverconfig
Sources
Also known as GHSA-c9gv-mp37-24rp.