Description
Streamlink is a CLI utility which pipes video streams from various services into a video player. Prior to 8.4.0, Streamlink's HLS and DASH parsers do not validate the URI scheme of segment entries and other resources. A remote .m3u8 HLS playlist or .mpd DASH manifest can list file:///path/to/file as a segment, and streamlink will read that local file and write its contents to the output stream. This vulnerability is fixed in 8.4.0.
Affected products
streamlink: streamlink
References2
- github.com/streamlink/streamlink/security/advisories/GHSA-hgqw-… ExploitMitigationVendor Advisory
- github.com/streamlink/streamlink/security/advisories/GHSA-hgqw-… ExploitMitigationVendor Advisory
Metrics
- CVSS 3.1
-
6.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 0% percentile: 38 · as of 14 November 2026
- CWE
- CWE-22
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