CVE-2026-44103 JupiCore does not perform validation of firmware
Unauthenticated attackers can inject malicious firmware into JupiCore charging modules due to missing integrity checks, compromising device integrity.
- 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-2026-44103?
CVE-2026-44103 is a medium-severity vulnerability in Phoenix Contact CHARX SEC-3000, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can inject malicious firmware into the internal charging module because the JupiCore service transmits firmware updates without performing integrity or verification check. Successful exploitation may compromise the integrity of the affected device. This vulnerability could be used in chain with CVE-2026-44104.
Weakness: CWE-434
Which versions are affected by CVE-2026-44103?
How do I fix CVE-2026-44103?
No fix has been published for CVE-2026-44103 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-44103 being exploited?
There is no known exploitation of CVE-2026-44103 in the wild and no public exploit code.
Sources
Also known as GHSA-jp46-h3g9-gpp8.