# CVE-2026-29784: Ghost: Incomplete CSRF protections around OTC use

> Incomplete CSRF protections in Ghost CMS allow attackers to hijack sessions via OTCs, potentially leading to site takeover.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 7 Mar 2026
- **Updated:** 9 Mar 2026
- **Also known as:** BIT-ghost-2026-29784, GHSA-9m84-wc28-w895

## What is CVE-2026-29784?

CVE-2026-29784 is a high-severity vulnerability in TryGhost Ghost, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Ghost is a Node.js content management system. From version 5.101.6 to 6.19.2, incomplete CSRF protections around /session/verify made it possible to use OTCs in login sessions different from the requesting session. In some scenarios this might have made it easier for phishers to take over a Ghost site. This issue has been patched in version 6.19.3.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2026-29784?

3 open source packages ship an affected version, including ghost. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `ghost` | Bitnami | From 5.101.6 | 6.19.3 |
| `ghost` | npm | From 5.101.6 | 6.19.3 |
| `ghost` | npm | From 5.101.6 | 6.19.3 |

Products: Ghost Ghost.

## How do I fix CVE-2026-29784?

Upgrade ghost to 6.19.3 or later.

## Is CVE-2026-29784 being exploited?

There is no known exploitation of CVE-2026-29784 in the wild and no public exploit code.

## Other vulnerabilities in TryGhost Ghost

- [CVE-2022-27139](https://insights.sbomify.com/CVE-2022-27139/): Arbitrary file upload in Ghost (critical 9.8)
- [CVE-2022-28397](https://insights.sbomify.com/CVE-2022-28397/): Arbitrary file upload in Ghost (critical 9.8)
- [CVE-2022-41654](https://insights.sbomify.com/CVE-2022-41654/): ghost vulnerable to unauthorized newsletter modification via improper access controls (critical 9.6)
- [CVE-2026-26980](https://insights.sbomify.com/CVE-2026-26980/): Ghost has a SQL Injection in its Content API (critical 9.4)
- [CVE-2024-34451](https://insights.sbomify.com/CVE-2024-34451/): Security feature bypass in n/a (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-29784 and fix it if it is affected.

What it is: CVE-2026-29784 is a high-severity vulnerability in TryGhost Ghost, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-29784 in the wild and no public exploit code.

Affected packages and fixed versions:
- ghost (Bitnami): affected from 5.101.6; fixed in 6.19.3
- ghost (npm): affected from 5.101.6; fixed in 6.19.3
- ghost (npm): affected from 5.101.6; fixed in 6.19.3

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-29784/ (Markdown: https://insights.sbomify.com/CVE-2026-29784/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-29784
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-29784
- OSV: https://osv.dev/vulnerability/CVE-2026-29784

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-29784/
Summaries are generated and may contain mistakes; the official description above is the record.