Quick answers
- Is CVE-2026-103288 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-103288 being exploited in the wild.
- How severe is CVE-2026-103288?
- Medium severity, with a CVSS score of 6.5, published 1 October 2026.
- Which products and versions are affected?
- ghost (npm) >= 5.9.0, < 6.44.1, SEMVER:introduced=5.9.0,fixed=6.44.1; TryGhost Ghost 5.9.0 to 6.44.0.
- Is there a fix for CVE-2026-103288?
- Yes. ghost (npm): upgrade to 6.44.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-103288 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-103288?
- Check whether you run ghost (npm) or TryGhost Ghost at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- ghost (npm): upgrade to 6.44.1 or later
npm install ghost@6.44.1
Technical details
An input validation issue in Ghost's comment like feature fails to properly authorize deletion requests. Authenticated members can delete comment likes/dislikes belonging to other users via an improper access control flaw in the data query logic (CWE-943). The vulnerability requires network access and low-privilege member authentication, but no user interaction.
Affected products
- TryGhost Ghost 5.9.0 to 6.44.0
Identifiers
- CVE-2026-103288
- BIT-GHOST-2026-103288
- GHSA-qrh6-cwg3-343x
Timeline
- 2026-10-01: disclosed