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OpenAdvisories
Low · 3.7 CVE-2026-7689 EUVD-2026-26827GHSA-jggh-5rmh-r6h5

Dolibarr ERP CRM Online Signature security.lib.php dol_verifyHash signature verification

Published May 3, 2026 · Updated May 4, 2026 · Assigned by VulDB

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 products

VendorProductAffectedFixed
Dolibarr ERP CRM 23.0.0, 23.0.1, 23.0.2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu Pro 16.04 LTS dolibarr No fix yet —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist dolibarr/dolibarr <= 15.0.3 — GHSA-jggh-5rmh-r6h5

References