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Response snapshot Oct 27, 2026, 16:01 UTC

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VulnerabilityCVE-2026-103288

Ghost: Authorization Bypass in Comment Like Feature

An input validation issue allowed members to delete comment likes / dislikes that they were not authorized to delete. This vulnerability is present in Ghost from v5.9.0 up to v6.44.1.

At a glance

Exploited
Not known
Severity
6.5 Medium (CVSS 3.1)
Chance of exploitation
Not estimated
Sources
1 source

What to do

GitHub lists first patched versions: ghost: 6.44.1. Confirm the affected range and upgrade guidance in the exact advisory.

Read GitHub-reviewed advisory GHSA-qrh6-cwg3-343x (opens a new tab)

What happened

### Impact

An input validation issue allowed members to delete comment likes / dislikes that they were not authorized to delete.

### Vulnerable versions

This vulnerability is present in Ghost from v5.9.0 up to v6.44.1.

Continue reading

### Patches

v6.44.1 contains a fix for this issue.

### How to update

For self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost).

If your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update).

### References

Ghost thanks [Adel Assakaf](https://github.com/assakafpix) and [Arthur Gurunlian](https://github.com/Buggs777) as well as Geoffrey Diederichs of [Escape](https://escape.tech/) for disclosing this vulnerability responsibly.

### For more information

If you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).

Affected package ranges reported by GitHub: ghost: >= 5.9.0, < 6.44.1

Scores and how they were measured

CVSS base severity

6.5

Version 3.1As of

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

Not available

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Primary source

    GitHub-reviewed advisory GHSA-qrh6-cwg3-343x (opens a new tab)

    The public advisory supplies the description, affected package/version ranges, and any listed CVSS metric. GitHub review is not local review.

    Published Checked

  2. Primary source

    GitHub public advisory API page (opens a new tab)

    The API page supplied GHSA-qrh6-cwg3-343x, its actual identifiers, source dates, and structured metrics.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, October 27). Ghost: Authorization Bypass in Comment Like Feature (CVE-2026-103288). https://kevwire.com/record/CVE-2026-103288

MLA

"Ghost: Authorization Bypass in Comment Like Feature (CVE-2026-103288)." KEVWire, 27 Oct. 2026, kevwire.com/record/CVE-2026-103288.

Chicago

KEVWire. "Ghost: Authorization Bypass in Comment Like Feature (CVE-2026-103288)." Last modified October 27, 2026. https://kevwire.com/record/CVE-2026-103288.

Evidence summary (plain text)

Ghost: Authorization Bypass in Comment Like Feature (Oct 27, 2026).
An input validation issue allowed members to delete comment likes / dislikes that they were not authorized to delete.

This vulnerability is present in Ghost from v5.9.0 up to v6.44.1.
CVSS 6.5 (version 3.1; evidence as of Oct 27, 2026; https://github.com/advisories/GHSA-qrh6-cwg3-343x).
Sources:
GitHub-reviewed advisory GHSA-qrh6-cwg3-343x: https://github.com/advisories/GHSA-qrh6-cwg3-343x
GitHub public advisory API page: https://api.github.com/advisories?type=reviewed&per_page=100&sort=updated&direction=desc
Record ID: CVE-2026-103288.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 16:00 UTC. Ingestion is not an independent editorial investigation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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Record details

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