CVE-2026-7689 Dolibarr ERP CRM Online Signature security.lib.php dol_verifyHash signature verification
Remote attackers can bypass signature verification in Dolibarr ERP CRM's Online Signature module due to improper cryptographic checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7689?
CVE-2026-7689 is a medium-severity vulnerability in Dolibarr ERP CRM, published on 3 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2026-7689?
2 open source packages ship an affected version, including dolibarr/dolibarr.
| Package | Affected | Fixed in |
|---|---|---|
dolibarr/dolibarr Packagist | All versions to 15.0.3 | None |
dolibarr/dolibarr Packagist | All versions to 15.0.3 | None |
How do I fix CVE-2026-7689?
No fix has been published for CVE-2026-7689 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-7689 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7689 exists.
Sources
Also known as GHSA-jggh-5rmh-r6h5, UBUNTU-CVE-2026-7689.