CVE-2026-9007
Reflected XSS in HCL Notes
Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in HCL Notes from HCL Software allows reflected Cross-Site Scripting (XSS). Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of another user. This issue affects HCL Notes: Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.El8_10.X64_64#1.
INFO
Published Date :
July 15, 2026, 4:16 p.m.
Last Modified :
July 15, 2026, 5:16 p.m.
Remotely Exploit :
Yes !
Source :
64c5ae8f-7972-4697-86a0-7ada793ac795
Affected Products
The following products are affected by CVE-2026-9007
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | MEDIUM | 64c5ae8f-7972-4697-86a0-7ada793ac795 | ||||
| CVSS 4.0 | MEDIUM | 64c5ae8f-7972-4697-86a0-7ada793ac795 |
Solution
- Update HCL Notes to the latest version.
- Apply vendor-provided security patches.
- Sanitize user inputs for web generation.
- Validate and encode output data.
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-2026-9007.
| URL | Resource |
|---|---|
| https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/CVE-2026-9007 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-9007 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-2026-9007
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-2026-9007 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-9007 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 15, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-9007', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-15T16:04:51.772824Z'} -
New CVE Received by 64c5ae8f-7972-4697-86a0-7ada793ac795
Jul. 15, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'HCL Software', 'product': 'HCL Notes', 'versions': [{'status': 'affected', 'version': 'Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.el8_10.x64_64#1'}], 'defaultStatus': 'unknown'}] Added Description Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in HCL Notes from HCL Software allows reflected Cross-Site Scripting (XSS). Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of another user. This issue affects HCL Notes: Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.El8_10.X64_64#1. Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/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 CWE CWE-79 Added Reference https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/CVE-2026-9007