Quick answers
- Is CVE-2026-18901 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18901 being exploited in the wild.
- How severe is CVE-2026-18901?
- High severity, with a CVSS score of 7.2, published 5 August 2026.
- Which products and versions are affected?
- H3C NX15 V100R017.
- Is there a fix for CVE-2026-18901?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-18901 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-18901?
- Check whether you run H3C NX15 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A vulnerability exists in the service.add function of the /api/esps endpoint in the Web API component of H3C NX15 V100R017. The flaw exposes dangerous routines that can be invoked remotely. Based on the public proof-of-concept references, this appears to be part of a post-authentication remote code execution chain. The vulnerability allows remote attackers to perform unauthorized actions, potentially leading to device compromise or privilege escalation. A CVSS score of 7.2 indicates significant impact and the exploit has been publicly disclosed.
Affected products
- H3C NX15 V100R017
Timeline
- 2026-08-05: disclosed