Quick answers
- Is CVE-2026-18813 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-18813 being exploited in the wild.
- How severe is CVE-2026-18813?
- High severity, with a CVSS score of 7.2, published 4 August 2026.
- Which products and versions are affected?
- H3C NX15 V100R017.
- Is there a fix for CVE-2026-18813?
- 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-2026-18813 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-18813?
- 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
This is a command injection vulnerability in the delete function of the /api/esps endpoint in H3C NX15 V100R017. The vulnerability exists in the handling of the esps.apcm.version argument, where user-supplied input is not properly sanitized before being processed. An attacker can craft a malicious request with shell metacharacters in the version parameter to execute arbitrary commands on the device. The attack is remotely exploitable without authentication requirements, and exploitation details have been publicly disclosed. Patches or vendor remediation status should be verified directly with H3C.
Affected products
- H3C NX15 V100R017
Timeline
- 2026-08-04: disclosed: Publicly disclosed vulnerability
- 2026-08: other: Vendor contacted early about disclosure