CVE-2026-18901 H3C NX15 Web API esps service.add routine
Remote attackers can exploit an exposed dangerous routine in the H3C NX15 Web API to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18901?
CVE-2026-18901 is a high-severity missing authorization vulnerability in H3C NX15, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A security vulnerability has been detected in H3C NX15 V100R017. Affected is the function service.add of the file /api/esps of the component Web API. Such manipulation leads to exposed dangerous routine. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.
Weakness: CWE-749
Which versions are affected by CVE-2026-18901?
How do I fix CVE-2026-18901?
No fix has been published for CVE-2026-18901 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-2026-18901 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18901 exists.
Sources
Also known as GHSA-8576-m87r-pjc9.