CVE-2026-18811
H3C NX15 esps add command injection
Description
A vulnerability was detected in H3C NX15 V100R017. The affected element is the function Add of the file /api/esps. Performing a manipulation of the argument esps.filter.url results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
INFO
Published Date :
Aug. 4, 2026, 9:16 p.m.
Last Modified :
Aug. 4, 2026, 9:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update the system to the latest vendor-provided version.
- Apply security patches released by the vendor.
- Validate system configurations for the esps.filter.url parameter.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-18811.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-18811 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-18811
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-18811 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-18811 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Aug. 04, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:h3c:nx15:*:*:*:*:*:*:*:*'], 'vendor': 'H3C', 'product': 'NX15', 'versions': [{'status': 'affected', 'version': 'V100R017'}]}] Added Description A vulnerability was detected in H3C NX15 V100R017. The affected element is the function Add of the file /api/esps. Performing a manipulation of the argument esps.filter.url results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Added CVSS V2 (AV:N/AC:L/Au:M/C:C/I:C/A:C) Added CWE CWE-77 Added CWE CWE-74 Added Reference https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/esps_filter_url_add_root_rce Added Reference https://vuldb.com/cve/CVE-2026-18811 Added Reference https://vuldb.com/submit/857807 Added Reference https://vuldb.com/vuln/385810 Added Reference https://vuldb.com/vuln/385810/cti