CVE-2026-108503 Unauthorized information acquisition vulnerability in ZTE Z80 Ultra product
Attackers can exploit insufficient access controls in system interfaces to read sensitive information on ZTE Z80 Ultra devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-108503?
CVE-2026-108503 is a low-severity missing authorization vulnerability in ZTE Z80 Ultra, published on 10 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
ZTE Z80 Ultra has an interface permission validation vulnerability. The callable functions provided by the system lack sufficient access control. An attacker can leverage these functions to read relevant information.
Weakness: CWE-276
Which versions are affected by CVE-2026-108503?
How do I fix CVE-2026-108503?
No fix has been published for CVE-2026-108503 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-2026-108503 being exploited?
There is no known exploitation of CVE-2026-108503 in the wild and no public exploit code.
Sources
Also known as GHSA-hqhh-c2wg-mjcw.