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Vulnerabilities

Vulnerability · CVE-2026-118243

Highcharts Dashboards: data table id writes sync listeners to

Published Oct 28, 2026 · Highcharts Dashboards: data table

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-2026-118243. EPSS is 0.35%. Act only if a listed version of Highcharts Dashboards: data table is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Highcharts Dashboards: data table).
  • 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.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.35%
Remediation
Not established
Affected products
npm @highcharts

The data cursor keeps its listener and state bookkeeping in plain objects keyed by data table id, so a table id of proto supplied in the dataPool connector configuration resolves to Object.prototype when a sync registers its listeners, and the registration creates a property on Object.prototype named after the sync state and holding the internal listener array. The property name begins with a state prefix fixed by the library, to …

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-2026-118243

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-2026-118243. EPSS is 0.35%. Act only if a listed version of Highcharts Dashboards: data table 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?

No weakness class is stored. EPSS 0.35%. 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 data cursor keeps its listener and state bookkeeping in plain objects keyed by data table id, so a table id of proto supplied in the dataPool connector configuration resolves to Object.prototype when a sync registers its listeners, and the registration creates a property on Object.prototype named after the sync state and holding the internal listener array. The property name begins with a stat

Sources

  • CVE.orgVulnerability recordCVE-2026-118243

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-118243

    30-day exploitation probability 0.35%

    first.org
  • GitLab Advisory DatabasePackage advisoryCVE-2026-118243

    The data cursor keeps its listener and state bookkeeping in plain objects keyed by data table id, so a table id of proto supplied in the dataPool connector configuration resolves to Object.prototype when a sync registers its listeners, and the registration creates a property on Object.prototype named after the sync state and holding the internal listener array. The property name begins with a stat

    advisories.gitlab.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
  • CVE.orgOct 29, 2026