PatchTheCVECVE-2026-9007: Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in HCL Note
CVE-2026-9007 is a medium-severity flaw (CVSS 5.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Active |
| EPSS exploit chance | 0.4% (top 63%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-07-15 |
| Last modified | 2026-10-24 |
Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-9007?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-9007 being exploited?
CVE-2026-9007 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-9007 affect?
CVE-2026-9007 affects affected software. Severity is medium (CVSS 5.5). 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 arbitra
How urgent is CVE-2026-9007?
Priority 28/100. No elevated risk signals yet.