CVE-2026-103276

5.3 MEDIUMpublic exploit available

Published 2026-10-01 · Updated 2026-10-01

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

Ghost versions before 6.20.0 contain a file extension filtering bypass vulnerability that allows unauthenticated attackers to read theme templates and metadata. Attackers can use URL encoding to bypass extension validation and access sensitive theme files.

CVSS vector

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

Weaknesses

CWE-173

Public exploit & PoC references

https://github.com/TryGhost/Ghost/security/advisories/GHSA-6v8p-3jx9-8chr

All references

https://github.com/TryGhost/Ghost/security/advisories/GHSA-6v8p-3jx9-8chr
https://www.vulncheck.com/advisories/ghost-before-6.20.0-file-read-via-url-encoding-bypass

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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