CVE-2026-55411
MediumCVSS 6.8Exploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
In ToolJet prior to version 3.20.1780-lts, the authenticated endpoint POST /api/data-sources/decrypt returns the decrypted plaintext for any credential whose credential_id is supplied in the request body. Unlike other data endpoints, this handler is not protected by ValidateDataSourceGuard, does not receive the calling @User(), and the underlying CredentialsService.getValue() looks up the credential by id only, with no organization scoping.
Risk Assessment
Any authenticated user of any organization can decrypt the data-source secrets of any other organization by supplying that organization's credential_id, resulting in a cross-tenant confidentiality breach.
Recommendation
Immediately update ToolJet to version 3.20.1780-lts or later, which contains the fix for this vulnerability.
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Original NVD description (English source)
ToolJet is the open-source foundation am AI-native platform for building and deploying internal tools, workflows and AI agents. Prior to 3.20.1780-lts, the authenticated endpoint POST /api/data-sources/decrypt returns the decrypted plaintext for any credential whose credential_id is supplied in the request body. Unlike every neighbouring data-source route, this handler is not protected by ValidateDataSourceGuard, does not receive the calling @User(), and the underlying CredentialsService.getValue() looks the credential up by id only, with no organization scoping. As a result, any authenticated user of any organization can decrypt the data-source secrets of any other organization by supplying that organization's credential_id — a cross-tenant confidentiality breach. This vulnerability is fixed in 3.20.1780-lts.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS