{"id":80803,"date":"2026-06-19T22:41:20","date_gmt":"2026-06-19T19:11:20","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-49340-gonic-has-arbitrary-file-write-in-createplaylist-any-authenticated-user-can-write-playlist-m3u-content-to-attacker-controlled-path-on-the-host\/"},"modified":"2026-06-19T22:41:20","modified_gmt":"2026-06-19T19:11:20","slug":"cve-2026-49340-gonic-has-arbitrary-file-write-in-createplaylist-any-authenticated-user-can-write-playlist-m3u-content-to-attacker-controlled-path-on-the-host","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-49340-gonic-has-arbitrary-file-write-in-createplaylist-any-authenticated-user-can-write-playlist-m3u-content-to-attacker-controlled-path-on-the-host\/","title":{"rendered":"CVE-2026-49340 &#8211; gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-controlled path on the host"},"content":{"rendered":"<p>CVE ID :CVE-2026-49340<\/p>\n<p>  Published : June 19, 2026, 7:11 p.m. | 31\u00a0minutes ago<\/p>\n<p>  Description :gonic is a music streaming server \/ free-software subsonic server API implementation. Prior to version 0.21.0, a logic error in `ServeCreateOrUpdatePlaylist` allows any authenticated Subsonic user (including non-admin) to write playlist M3U content to an attacker-controlled absolute filesystem path on the gonic host, and to create intermediate directories with `0o777` permissions. The bug is independent of CVE-2026-49338 and CVE-2026-49339. It is an unreachable guard clause combined with no path containment in `Store.Write`. Version 0.21.0 patches the issue.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-49340 Published : June 19, 2026, 7:11 p.m. | 31\u00a0minutes ago Description :gonic is a music streaming server \/ free-software subsonic server API implementation. Prior to version 0.21.0, a logic error in `ServeCreateOrUpdatePlaylist` allows any authenticated Subsonic user (including non-admin) to write playlist M3U content to an attacker-controlled absolute filesystem path on the &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-80803","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=80803"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80803\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}