gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-c...

Date Jun 26, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Go ยท go.senan.xyz/gonic
CVE CVE-2026-49340
High-risk advisory CVE-2026-49340

Summary

gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-controlled path on the host

Why it matters

GitHub has published a reviewed security advisory for go.senan.xyz/gonic. Prioritize it with other application dependency updates, especially because EPSS places it in the 18% percentile.

Operator check

Check whether go.senan.xyz/gonic is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 18%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.