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ToolJet CVE-2026-82874

| EUVDEUVD-2026-68409 LOW
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-08-31 VulnCheck GHSA-7xg3-7665-2f35
2.4
CVSS 4.0 · Vendor: VulnCheck

Severity by source

Vendor (VulnCheck) PRIMARY
2.4 LOW
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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
9.9 CRITICAL

Cross-tenant IDOR exploitable over web API with Builder credentials (PR:L, AV:N); no victim interaction; full data destruction possible across tenant boundary warrants S:C and C:H/I:H/A:H.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
P
Scope
X

Lifecycle Timeline

3
CVE Published
Aug 31, 2026 - 10:50 cve.org
LOW 2.4
Patch available
Aug 31, 2026 - 10:16 EUVD
Analysis Generated
Aug 31, 2026 - 09:32 vuln.today

DescriptionCVE.org

ToolJet before v3.16.208 fails to validate that authenticated users belong to the organization specified in the organizationId path parameter of tooljet-db endpoints, allowing any Builder user to read, modify, and delete tables across tenant boundaries. Attackers can extract victim organization IDs from public app endpoints, then exploit schema operation endpoints to disclose table schemas, plant malicious tables, corrupt existing schemas, or permanently destroy victim data without any relationship to the target organization.

AnalysisAI

Cross-tenant authorization bypass in ToolJet before v3.16.208 allows any authenticated Builder-role user to access and manipulate database tables belonging to unrelated organizations by supplying arbitrary organizationId values in tooljet-db API path parameters. Server-side validation of tenant membership is entirely absent on schema operation endpoints, enabling an attacker to enumerate target organization IDs from public app endpoints and then disclose table schemas, plant rogue tables, corrupt existing schemas, or permanently destroy data across tenant boundaries. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session with Builder-level privileges in any organization hosted on the vulnerable ToolJet instance - Builder is above the Viewer role but below Owner and Admin. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The officially assigned CVSS 4.0 score of 2.4 substantially understates the real-world impact of this vulnerability. … 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 to ToolJet v3.16.208 or later, which introduces proper server-side validation that the requesting user's session organization matches the organizationId path parameter on all tooljet-db endpoints; vendor advisory at https://github.com/ToolJet/ToolJet/security/advisories/GHSA-w3hx-rg9g-mw5c. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-82874 vulnerability details – vuln.today

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