Dolibarr up to 23.x Expense Report Rest Api Update Endpoint improper authorization

Summaryinfo

A vulnerability marked as problematic has been reported in Dolibarr up to 23.x. The impacted element is an unknown function of the component Expense Report Rest Api Update Endpoint. Performing a manipulation results in improper authorization. This vulnerability is reported as CVE-2026-71509. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Dolibarr up to 23.x. This affects an unknown code of the component Expense Report Rest Api Update Endpoint. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on integrity. The summary by CVE is:

Dolibarr before 24.0.0 contains an improper authorization vulnerability in the expense report REST API update endpoint that allows authenticated attackers with expense-creation rights to bypass the approval workflow by directly setting approval status and approver identity fields. Attackers can manipulate workflow state fields through the REST API to advance expense reports to approved or closed status without possessing the dedicated approval right, while also creating forensic inconsistencies in audit records due to missing approval timestamps.

The advisory is shared at codeant.ai. This vulnerability is uniquely identified as CVE-2026-71509 since 08/06/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading to version 24.0.0 eliminates this vulnerability.

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Productinfo

Type

• Enterprise Resource Planning Software

Name

• Dolibarr

Version

• 23.x

License

• open-source

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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