Dolibarr 21.0.0up to 23.0.0 Clonetasks Mass Action actions_massactions.inc.php in_array authorization

Summaryinfo

A vulnerability was found in Dolibarr 21.0.0up to 23.0.0 and classified as problematic. This vulnerability affects the function in_array of the file htdocs/core/actions_massactions.inc.php of the component Clonetasks Mass Action Handler. Executing a manipulation can lead to authorization. The identification of this vulnerability is CVE-2026-77923. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Dolibarr 21.0.0up to 23.0.0. This vulnerability affects the function in_array of the file htdocs/core/actions_massactions.inc.php of the component Clonetasks Mass Action Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect integrity. CVE summarizes:

Dolibarr 21.0.0 before 24.0.0 contains an authorization bypass vulnerability caused by an inverted boolean condition in the private-project membership check within the clonetasks mass action handler in htdocs/core/actions_massactions.inc.php. Authenticated users with project creation permission but without access to a target private project can exploit the flawed !in_array() check to clone tasks into unauthorized private projects.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-77923 since 08/21/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

By approaching the search of inurl:htdocs/core/actions_massactions.inc.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 24.0.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Enterprise Resource Planning Software

Name

• Dolibarr

Version

• 21.0.0<=23.0.0

License

• open-source

Website

• Product: https://github.com/Dolibarr/dolibarr/

CPE 2.3info

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CPE 2.2info

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