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Vulnerabilities

Vulnerability · CVE-2026-116797

Highcharts Grid Pro: cell-renderer map written with raw

Published Oct 28, 2026 · Red Hat Red Hat Enterprise Linux

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-116797. EPSS is 0.32%. Act only if a listed version of Red Hat Red Hat Enterprise Linux is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Vendor / distro source
Affected products
npm @highcharts

The input-type cell renderers copy every entry of the renderer's attributes option onto the input or select element they create, without checking the attribute names. An attacker who controls the Grid configuration can supply entries under a column's cells.renderer.attributes or cells.editMode.renderer.attributes whose names are event handlers, and those handlers execute in the origin of the page hosting the Grid. A view renderer places the handler on the input rendered in …

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • npm @highchartsversion unspecified

How to fix CVE-2026-116797

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-116797. EPSS is 0.32%. Act only if a listed version of Red Hat Red Hat Enterprise Linux is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 28, 2026 · GitLab Advisory Database

    Detected

    The input-type cell renderers copy every entry of the renderer's attributes option onto the input or select element they create, without checking the attribute names. An attacker who controls the Grid configuration can supply entries under a column's cells.renderer.attributes or cells.editMode.renderer.attributes whose names are event handlers, and those handlers execute in the origin of the page

Sources

  • CVE.orgVulnerability recordCVE-2026-116797

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-116797

    30-day exploitation probability 0.32%

    first.org
  • GitLab Advisory DatabasePackage advisoryCVE-2026-116797

    The input-type cell renderers copy every entry of the renderer's attributes option onto the input or select element they create, without checking the attribute names. An attacker who controls the Grid configuration can supply entries under a column's cells.renderer.attributes or cells.editMode.renderer.attributes whose names are event handlers, and those handlers execute in the origin of the page

    advisories.gitlab.com
  • Red Hat Security DataVendor advisoryCVE-2026-116797

    highcharts: Highcharts Grid Pro: Cross-site scripting via unsanitized column attributes

    access.redhat.com

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 7, 2026
  • GitLab Advisory DatabaseOct 30, 2026
  • Red Hat Security DataOct 30, 2026
  • CVE.orgOct 29, 2026