Missing Authorization Affecting wwbn/avideo package, versions <29.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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- published30 Mar 2026
- disclosed29 Mar 2026
- creditoffset
Introduced: 29 Mar 2026
CVE-2026-34247 (opens in a new tab)How to fix?
Upgrade wwbn/avideo to version 29.0 or higher.
Overview
wwbn/avideo is an Audio and Video Platform or simply "A Video Platform".
Affected versions of this package are vulnerable to Missing Authorization in the uploadPoster.php process. An attacker can overwrite poster images for any scheduled live stream and trigger misleading WebSocket notifications by supplying an arbitrary schedule ID as an authenticated user, without ownership verification. This can result in content tampering, information disclosure, and disruption of legitimate broadcasts.