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CVE-2026-75932 – Tenant Isolation Bypass / OAuth Credential Theft – Jet Admin (All Versions)

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Summary

CVE-2026-75932 is a missing authorization (CWE-862) vulnerability in Jet Admin that breaks tenant isolation between customer workspaces. An attacker can create a malicious Jet Admin app, connect it to a victim’s custom domain, and reroute traffic to the attacker-controlled app, ultimately capturing the victim’s OAuth Client ID and Client Secret. The issue carries a CVSS v4.0 base score of 9.2 (Critical) and affects all versions of Jet Admin.

Technical details

  • Root cause: Jet Admin fails to properly verify ownership/authorization when a workspace is connected to a custom domain, allowing an attacker’s workspace to be associated with a domain it does not own.
  • Trigger conditions: An attacker registers a Jet Admin app/workspace and connects it to a target user’s custom domain, then edits the authentication configuration for that domain.
  • Attack vector: Network — no special privileges or user interaction from the victim are required to establish the malicious connection; the attacker abuses the custom-domain linking and authentication configuration workflow.
  • Impact: Traffic intended for the victim’s custom domain is rerouted to the attacker-controlled app. If the victim uses an OAuth identity provider, the attacker’s workspace becomes populated with the victim’s OAuth Client ID and Client Secret, enabling further account/identity compromise.

Affected software

  • Jet Admin — all versions (no version-specific fix identified; affects the platform as a whole, version 0 and above).

Severity

  • CVSS v4.0: 9.2 (Critical) — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:H/SI:N/SA:N
  • CVSS v3.1: 8.6 (High) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Mitigation and recommended actions

  • Immediate: No vendor-published patched version has been identified as of this writing; monitor Jet Admin’s official channels for an update and apply it as soon as it is released.
  • Workarounds:
    • Audit all custom domains connected to your Jet Admin workspace and remove/verify any unrecognized or unauthorized domain-to-app associations.
    • Review and rotate OAuth Client ID/Secret values for any identity provider integrated with Jet Admin, particularly if a custom domain connection cannot be fully verified as trusted.
    • Restrict who can create or modify custom domain and authentication configuration settings within the Jet Admin workspace.
    • Monitor authentication configuration change logs for unexpected modifications tied to domain connections.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Loaded script URL: cdn-app.jetadmin.app
  • Raw response body: a URL containing cdn-app.jetadmin.app

References

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Map your entire attack surface (continously)

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4

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IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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