What is CVE-2026-18813?

CVE-2026-18813 is a high-severity vulnerability in H3c Nx15, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2026-08-04.

How severe is CVE-2026-18813?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in H3c Nx15

CVE-2026-18813

A vulnerability has been found in H3C NX15 V100R017. This affects the function delete of the file /api/esps. The manipulation of the argument esps.apcm.version leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

EPSS: 0.023 (82.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

H3c Nx15 — versions V100R017

Weakness classification (CWE)

References

cna@vuldb.com (exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-18813?: CVE-2026-18813 is a high-severity vulnerability in H3c Nx15, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.2/10. Published 2026-08-04.
How severe is CVE-2026-18813?: High severity. CVSS v3 base score is 7.2 out of 10.