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Dolibarr ERP EUVDEUVD-2026-67234

| CVE-2026-81729 HIGH
Incorrect Authorization (CWE-863)
2026-08-27 VulnCheck GHSA-4c6q-r9ww-p823
7.1
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
vuln.today AI
6.5 MEDIUM

Network-accessible REST API; PR:L because valid API credentials are required; deletion-only impact yields I:H with no confidentiality or availability loss.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Source Code Evidence Fetched
Aug 27, 2026 - 20:47 vuln.today
Analysis Generated
Aug 27, 2026 - 20:47 vuln.today
CVE Published
Aug 27, 2026 - 20:07 cve.org
HIGH 7.1

DescriptionCVE.org

Dolibarr before 23.0.4 authorizes REST API document deletion against the wrong permission. Documents::delete() in htdocs/api/class/api_documents.class.php calls dol_check_secure_access_document() with the mode argument 'read' when handling DELETE /api/index.php/documents, while the sibling builddoc() path passes 'write', the correct mode for an operation that modifies stored data. An authenticated API user who holds only a read permission for a document-bearing module, for example societe:lire or facture:lire, and no create, write, delete or admin permission, therefore passes the check and can permanently delete that module's documents: third-party files, invoices, orders, proposals, project files and generated PDFs, with no recovery path. The call site is htdocs/api/class/api_documents.class.php:1276 in 23.0.3 and passes 'write' from 23.0.4 onward.

AnalysisAI

Incorrect authorization in Dolibarr's REST API before version 23.0.4 allows authenticated users holding only read-level module permissions to permanently delete documents via the DELETE /api/index.php/documents endpoint. The flaw in Documents::delete() at htdocs/api/class/api_documents.class.php passes the mode argument 'read' rather than 'write' to dol_check_secure_access_document(), meaning any API account with societe:lire, facture:lire, or equivalent read-only grants can irrecoverably destroy third-party files, invoices, orders, proposals, project files, and generated PDFs. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain read-only Dolibarr API credentials
Delivery
Enumerate valid document module parts and file paths
Exploit
Send DELETE /api/index.php/documents with read-only token
Execution
dol_check_secure_access_document() passes 'read' check
Impact
Documents permanently deleted across targeted modules

Vulnerability AssessmentAI

Exploitation Exploitation requires a valid Dolibarr REST API user account with at least one read-level permission grant for a document-bearing module - specifically any of: societe:lire (third-party files), facture:lire (invoices), commande:lire (orders), propal:lire (proposals), or projet:lire (project files). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 7.1 accurately characterizes the attack surface: network-reachable (AV:N), low complexity (AC:L), no special attack conditions (AT:N), low privilege required (PR:L), no user interaction (UI:N), and high integrity impact on the vulnerable system (VI:H) with no confidentiality or availability loss. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker holding a legitimate read-only partner API account (e.g., with societe:lire for CRM access) authenticates to the Dolibarr REST API and sends DELETE /api/index.php/documents requests targeting third-party files or invoice PDFs. The authorization check passes because it evaluates only read-level grants, and the documents are permanently deleted with no recovery path. …
Remediation Upgrade Dolibarr to version 23.0.4 or later; this release introduces the corrected 'write' mode argument to dol_check_secure_access_document() in the DELETE handler, as confirmed by commit de1d7a623e98484cc71fe43e93fdd5cd796abee5 at https://github.com/Dolibarr/dolibarr/commit/de1d7a623e98484cc71fe43e93fdd5cd796abee5. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all Dolibarr installations and current versions; immediately audit and restrict API credential distribution to minimum necessary scope. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-67234 vulnerability details – vuln.today

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