Improper Restriction of Rendered UI Layers or Frames Affecting transmission/transmission package, versions [,4.1.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-TRANSMISSIONTRANSMISSION-17339820
- published15 Jun 2026
- disclosed2 Jun 2026
- creditUnknown
Introduced: 2 Jun 2026
CVE-2026-38978 (opens in a new tab)How to fix?
Upgrade transmission/transmission to version 4.1.2 or higher.
Overview
Affected versions of this package are vulnerable to Improper Restriction of Rendered UI Layers or Frames in the WebUI and RPC response paths. An attacker can trick users into performing unintended actions by embedding the interface within a malicious website.