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TI-2026-39981 Aliases CVE-2026-55411

Authorization bypass in ToolJet

Priority MEDIUM 63CWE-639Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00199 9th percentileScored 2026-11-07
Fix Fixed ToolJet (ToolJet): 3.20.1780-lts

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ToolJetToolJetbefore 3.20.1780-lts3.20.1780-ltsPatch availableCNA
  • ToolJet VendorToolJet Affected before 3.20.1780-lts Fixed in 3.20.1780-lts Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:tooljet:tooljet:*:*:*:*:*:*:*:*——ToolJet
  • cpe:2.3:a:tooljet:tooljet:*:*:*:*:*:*:*:* Versions — — ·ToolJet

Remediation

  • Fix · CNA ToolJet (ToolJet) Fixed in 3.20.1780-lts

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-55411

References

Other 1

  • TI-2026-39983 ToolJet - Marketplace Plugin Poisoning Enables Instance-Wide Remote Code Execution CVSS 4.0CRITICAL 9.4
  • TI-2026-39982 ToolJet Cloud - SSRF to Azure Cloud Infrastructure Compromise CVSS 3.1HIGH 8.3
  • TI-2022-10831 Tooljet v1.6 does not properly handle missing values in the API, allowing attackers to… CVSS 3.1HIGH 7.5
  • TI-2026-39238 ToolJet GitHub Actions comment body shell injection exposes deployment secrets CVSS 3.1HIGH 8.8
  • TI-2026-82173 Signup bypass in ToolJet lets unauthenticated users create accounts CVSS 4.0MEDIUM 6.9
  • TI-2026-57175 ToolJet before v3.16.208 Cross-Organization Data Read via Database Routes CVSS 4.0HIGH 8.2
See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences