CVE-2026-70593Ghost: Theme Upload Path Traversal
- 6.6MediumCVSS base score
- 0.41%Exploitation in 30 daysEPSS · top 64% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a vulnerability in custom themes allowed a staff user to write files outside of the uploads directory. This could be used to alter the behavior of the installation through custom theme upload path traversal in LocalStorageBase and theme storage name handling. This issue is fixed in version 6.54.1.
Timeline
ID reserved
By GitHub_M
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium6.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L |
| NVDNVD · Deferred | 3.1 | Medium6.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:L |
- EPSS (exploitation in 30 days)
- 0.41% · top 64% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.6.
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References
References3
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-cjc9-q5gf-327p (opens in a new tab)x_refsource_CONFIRM
- https://github.com/TryGhost/Ghost/commit/fbaa92327e52607036a1e42204c9eadcc751d82c (opens in a new tab)x_refsource_MISC
- https://github.com/TryGhost/Ghost/releases/tag/v6.54.1 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-52977 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cjc9-q5gf-327p (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-70593)Record last updated .