CVE-2026-7689: Dolibarr ERP CRM Online Signature security.lib.php dol_verifyHash signature verification
A security flaw has been discovered in Dolibarr ERP CRM up to 23.0.2. This vulnerability affects the function dolverifyHash in the library htdocs/core/lib/security.lib.php of the component Online Signature Module. The manipulation results in improper verification of cryptographic signature. The attack may be performed from remote. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-7689?
CVE-2026-7689 is considered to be of moderate severity due to its impact on the signature verification process in Dolibarr ERP CRM.
How do I fix CVE-2026-7689?
To fix CVE-2026-7689, update your Dolibarr ERP CRM software to the latest version released after 23.0.2.
Which versions of Dolibarr ERP CRM are affected by CVE-2026-7689?
Dolibarr ERP CRM versions up to and including 23.0.2 are affected by CVE-2026-7689.
What component is impacted by CVE-2026-7689?
CVE-2026-7689 impacts the dol_verifyHash function in the security.lib.php component of Dolibarr ERP CRM.
What type of vulnerability is CVE-2026-7689?
CVE-2026-7689 is a security vulnerability that affects the integrity of online signature verification in Dolibarr ERP CRM.