Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 4.0 | Medium | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0021, the 11th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-ch52-px8q-f22j
- OSV: GHSA-ch52-px8q-f22j
- github.com/TryGhost/Ghost/security/advisories/GHSA-ch52-px8q-f22j
- nvd.nist.gov/vuln/detail/CVE-2026-53945
- github.com/TryGhost/Ghost/pull/26754
- github.com/TryGhost/Ghost/commit/07d604100eb3df5c9b382fce6232928c96329448
- github.com/TryGhost/Ghost
- github.com/TryGhost/Ghost/releases/tag/v6.21.1