CVE-2026-15203 Debug interfaces are accessible by default in Danfoss iC7 Automation SP, iC7 Marine and iC7 7Hybrid software
Attackers can access debug interfaces to read/write internal values and execute unsigned applications or firmware in Danfoss iC7 marine automation systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15203?
CVE-2026-15203 is a critical missing authorization vulnerability in Danfoss iC7-Automation SP, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper access control in debug and engineering interfaces in Danfoss iC7-Automation SP, iC7-Marine, and iC7-Hybrid GR3 allows attackers to gain read/write access to internal values, upload and execute unsigned applications, and upload unsigned EEPROM data and firmware via exposed service interfaces and software update mechanisms
Weakness: CWE-1191
Which versions are affected by CVE-2026-15203?
How do I fix CVE-2026-15203?
No fix has been published for CVE-2026-15203 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-15203 being exploited?
There is no known exploitation of CVE-2026-15203 in the wild and no public exploit code.
Sources
Also known as GHSA-m45v-v2rr-g2hr.