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Advisory severityMedium5.4Red Hat Linux Updated

Medium [CVE-2026-100691] Stored cross-site scripting via unescaped lineAnchors option

This medium-severity Red Hat Linux advisory covers CVE-2026-100691; related products: Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat OpenShift GitOps.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-100691 Source published Source updated

VulniPulse record published Record updated

Related products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

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Summary

Stored cross-site scripting via unescaped lineAnchors option. Red Hat rates this moderate (CVSS 5.4).

Weakness: CWE-79. Red Hat lists fixing advisory RHSA-2026:66266 with package hugo-main-0.166.0-0.1.hum1.

Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat OpenShift GitOps; Red Hat OpenStack Platform 18.0; and 1 more.

Affected products named by the advisory: Red Hat package: grafana.

Affected versions
  • < 0.75.0
  • < 0.165.x
  • < 0.166.0
  • 0.165

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Fixed versions
  • hugo-main-0.166.0-0.1.hum1
  • RHSA-2026:66266

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

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