CVE-2026-121629 critical vulnerability summary
A flaw was found in GStreamer's adaptive streaming demuxers (HLS, DASH, MSS). When processing a media playlist or manifest, URIs referenced in the manifest content are fetched without restricting which URI schemes are pe...
CVE-2026-121629 is a Critical severity vulnerability notice that security teams should triage for exposure in their own environments.
What to review
The affected area appears to involve A flaw was found in GStreamer's adaptive streaming demuxers (HLS, DASH, MSS). When processing a media playlist or. Administrators should compare this notice against their asset inventory, dependency list, and externally exposed services.
Recommended action
Confirm whether the affected product or library is present, review vendor guidance, prioritize patching based on internet exposure and severity, and monitor logs for suspicious behavior tied to the affected component.
This brief is based on information from Tenable Newest CVEs . Please refer to the original source for the complete advisory and vendor-specific guidance.
Related Posts
CVE-2026-118459 high vulnerability summary
A time-derived emergency password can be derived from publicly available application code, enabling authentication without legitimate credentials.
CVE-2026-118460 critical vulnerability summary
Embedded private keys protected by a shared password can be used to sign practitioner assertions for arbitrary practitioner identifiers, enabling unauthorized practitioner token requests.
CVE-2026-118461 critical vulnerability summary
The shared client accepts caller-controlled doctor identifiers for read and write operations without requiring authentication or authorization credentials.