{"id":"GHSA-qrh6-cwg3-343x","aliases":["BIT-ghost-2026-103288","CVE-2026-103288"],"title":"Ghost: Authorization Bypass in Comment Like Feature","description":"### Impact\n\nAn input validation issue allowed members to delete comment likes / dislikes that they were not authorized to delete.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost from v5.9.0 up to v6.44.1.\n\n### Patches\n\nv6.44.1 contains a fix for this issue.\n\n### How to update\n\nFor 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).\n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update).\n\n\n### References\n\nGhost 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.\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","severity":"medium","score":6.5,"published":"2026-10-27T14:44:19.000Z","modified":"2026-10-27T15:00:05.395Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"npm","name":"ghost","ranges":[{"events":[{"introduced":"5.9.0"},{"fixed":"6.44.1"}],"type":"SEMVER"}],"versions":[],"fixed":["6.44.1"]}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-qrh6-cwg3-343x","https://nvd.nist.gov/vuln/detail/CVE-2026-103288","https://github.com/TryGhost/Ghost/pull/28297","https://github.com/TryGhost/Ghost/commit/405c2623ff9060295d4a87d3a0eb4ef766c8d2d3","https://github.com/TryGhost/Ghost","https://github.com/TryGhost/Ghost/releases/tag/v6.44.1","https://www.vulncheck.com/advisories/ghost-5.9.0-before-6.44.1-authorization-bypass-via-comment-like"],"sources":[{"name":"OSV","id":"GHSA-qrh6-cwg3-343x","modified":"2026-10-27T15:00:05.395290912Z","url":"https://osv.dev/vulnerability/GHSA-qrh6-cwg3-343x"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","score":6.5}]}