Vulnerability · Published May 3, 2026 · Assigned by VulDB
CVE-2026-7689Dolibarr ERP CRM Online Signature security.lib.php dol_verifyHash signature verification
Low 3.7
In plain English
A low-severity insufficient verification of data authenticity in ERP CRM from Dolibarr. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Official description
A security flaw has been discovered in Dolibarr ERP CRM up to 23.0.2. This vulnerability affects the function dol_verifyHash 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | dolibarr/dolibarr | no fix listed | GHSA-jggh-5rmh-r6h5 |
Affected products (as reported)
Weakness: CWE-347, CWE-345 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-360859 | Dolibarr ERP CRM Online Signature security.lib.php dol_verifyHash signature verification vdb-entry, technical-description
- VDB-360859 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #801794 | Dolibarr Dolibarr ERP/CRM 23.0.2 Authentication Bypass Issues third-party-advisory
- https://gist.github.com/Shaon-Xis/d6ae069fc54f006457b68a91d5a8e158 exploit