Improper Authorization in Dolibarr Account Handler
CVE-2026-77686

5.3MEDIUM

Key Information:

Vendor

Dolibarr

Status
Dolibarr
Vendor
CVE Published:
21 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-77686?

A vulnerability exists in Dolibarr versions up to 23.0.4, specifically within the Account Handler component located in htdocs/user/card.php. The issue arises from improper handling of the argument ID, allowing unauthenticated users to gain access to functionalities they should not be permitted to. This flaw can enable remote attackers to manipulate access controls, facilitating unauthorized actions within user accounts. To mitigate this vulnerability, users are advised to update to Dolibarr version 24.0.0, which includes the necessary patches.

Affected Version(s)

Dolibarr 23.0.0

Dolibarr 23.0.1

Dolibarr 23.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-77686 - Proof of Concept

References

https://vuldb.com/vuln/394034
vdb-entrytechnical-description
https://vuldb.com/vuln/394034/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-77686
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abderrahmane Aksoum (VulDB User)
.