Origin Validation Error Affecting Firefox package, versions [,154.0)
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-FIREFOX-19427677
- published29 Aug 2026
- disclosed18 Aug 2026
- creditUnknown
Introduced: 18 Aug 2026
CVE-2026-74967 (opens in a new tab)How to fix?
Upgrade Firefox to version 154.0 or higher.
Overview
Affected versions of this package are vulnerable to Origin Validation Error in the Audio/Video: Playback component. An attacker can access cross-origin data by crafting malicious media content or exploiting browser interactions.