Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like (CVE-2026-103288) | HOL Guard CVE

High · CVSS 7.1CVE-2026-103288

Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like

Answer in brief

CVE-2026-103288 records a High severity (CVSS 7.1) vulnerability in Ghost 5.9.0 before 6.44.1 Authorization Bypass via Comment Like. The current sources do not mark it as known exploited. The current feed maps TryGhost/Ghost (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 1, 2026Updated Oct 1, 2026Source checked Oct 1, 2026First seen by HOL Oct 1, 2026Material review Oct 1, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.1
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps TryGhost/Ghost (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
TryGhost/Ghostgeneric	>=5.9.0 <6.44.1	6.44.1

Recommended response

Check inventory. Check lockfiles and deployed manifests for TryGhost/Ghost.
Review the reported fix. Update TryGhost/Ghost to 6.44.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 1, 2026

Sources and claim methodology

Upstream source description

Ghost, an open-source publishing platform, contains an input validation flaw in its comment like feature in versions from 5.9.0 before 6.44.1. An authenticated member can delete comment likes or dislikes belonging to other users that they are not authorized to delete, resulting in an authorization bypass and unauthorized modification of comment engagement data.

Quoted source text, attributed separately from HOL analysis.