# CVE-2026-78160: Dolibarr ERP User Notes note.php authorization

> Attackers can bypass authorization checks in the User Notes Handler to access or modify notes without proper permissions.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 24 Aug 2026
- **Updated:** 24 Aug 2026
- **Also known as:** GHSA-rh42-frc6-75f3

## What is CVE-2026-78160?

CVE-2026-78160 is a medium-severity missing authorization vulnerability in Dolibarr ERP, published on 24 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in Dolibarr ERP up to 18.0.10/22.0.5/23.0.3. This issue affects some unknown processing of the file /user/note.php of the component User Notes Handler. The manipulation of the argument ID leads to authorization bypass. The attack can be initiated remotely. Upgrading to version 23.0.4 and 24.0.0 is capable of addressing this issue. The identifier of the patch is 9b5229ef3a9b58d00252d327936b022fb739f149. Upgrading the affected component is advised.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key), CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-78160?


## How do I fix CVE-2026-78160?

No fix has been published for CVE-2026-78160 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78160 being exploited?

There is no known exploitation of CVE-2026-78160 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78160 and fix it if it is affected.

What it is: CVE-2026-78160 is a medium-severity missing authorization vulnerability in Dolibarr ERP, published on 24 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-78160 in the wild and no public exploit code.

Affected product: Dolibarr ERP. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2026-78160/ (Markdown: https://insights.sbomify.com/CVE-2026-78160/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78160
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78160
- OSV: https://osv.dev/vulnerability/CVE-2026-78160

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78160/
Summaries are generated and may contain mistakes; the official description above is the record.