EUVD-2026-65078
GHSA-c275-q2j8-wwg9
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Scope changed because the attacker hijacks a distinct security principal (victim company's WebPortal session); PR:L reflects mandatory low-privilege authentication; no availability impact exists.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
3DescriptionCVE.org
Dolibarr before 24.0.0 contains a broken object-level authorization vulnerability in the REST API third-party site account write routes that allows authenticated attackers with third-party creation rights to overwrite the WebPortal password of any company by bypassing per-object access checks that are only enforced on read routes. Attackers can replace the victim company's WebPortal password through the write endpoint, authenticate as that company to access its invoice data, and also obtain the victim's previous password verifier from the API response.
AnalysisAI
Broken object-level authorization (BOLA) in Dolibarr's REST API write routes for third-party site accounts allows any authenticated user holding third-party creation rights to overwrite the WebPortal password of any company in the system, regardless of ownership. After replacing the password, the attacker can log into the victim company's WebPortal and access its invoice data; the write endpoint also returns the victim's previous password verifier, enabling potential offline credential attacks. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid Dolibarr account with 'third-party creation rights' - a specific permission level below full administrator that may be assigned to partner users, resellers, or lower-privilege internal staff. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.1 (AV:N/AC:L/AT:N/PR:L/UI:N) accurately captures the threat profile: network-accessible, low complexity, no special attack prerequisites, but gated behind a valid low-privilege account. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Dolibarr to version 24.0.0 or later immediately; the fix is confirmed at commit 4cf305ebb958eeffa921aad7c94de179b764f7e7 (https://github.com/Dolibarr/dolibarr/commit/4cf305ebb958eeffa921aad7c94de179b764f7e7) and the release is available at https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Dolibarr instances in use and determine current versions to establish exposure scope. …
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Same technique Authentication Bypass
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External POC / Exploit Code
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