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BIT-ghost-2021-39192 — Privilege escalation: all users can access Admin-level API keys

2026-10-21T21:43:29.721258+00:00

Affected: Bitnami: ghost

Ghost is a Node.js content management system. An error in the implementation of the limits service between versions 4.0.0 and 4.9.4 allows all authenticated users (including contributors) to view admin-level API keys via the integrations API endpoint, leading to a privilege escalation vulnerability. This issue is patched in Ghost version 4.10.0. As a workaround, disable all non-Administrator accounts to prevent API access. It is highly recommended to regenerate all API keys after patching or applying the workaround.

EUVD-2026-30464

2026-10-21T21:43:29.721312+00:00

EUVD-2026-30464

fkie_cve-2021-39192

2026-10-21T21:43:29.721329+00:00

GHSA-j5c2-hm46-wp5c — Privilege escalation: all users can access Admin-level API keys

2026-10-21T21:43:29.721354+00:00

Affected: npm: ghost

### Impact An error in the implementation of the limits service in 4.0.0 allows all authenticated users (including contributors) to view admin-level API keys via the integrations API endpoint, leading to a privilege escalation vulnerability.

Ghost(Pro) has already been patched. Self-hosters are impacted if running Ghost a version between 4.0.0 and 4.9.4. Immediate action should be taken to secure your site - see patches & workarounds below.

It is highly recommended to regenerate all API keys after patching or applying the workaround below.

### Patches Fixed in 4.10.0, all 4.x sites should upgrade as soon as possible.

### Workarounds - Disable all non-Administrator accounts to prevent API access.

### For more information If you have any questions or comments about this advisory: * email us at security@ghost.org

--- Credits: Aden Yap Chuen Zhen, BAE Systems Applied Intelligence (Malaysia)

gsd-2021-39192

2026-10-21T21:43:29.721385+00:00

gsd-2021-39192