Invidious before version 2.20260626.0 contains a broken access control vulnerability that allows unauthenticated attackers to retrieve private playlist contents by accessing the RSS feed playlist endpoint without authentication. Attackers can supply a playlist ID to the feed endpoint to obtain the full playlist contents, owner email address, and associated video entries without any authentication.
https://github.com/iv-org/invidious/releases/tag/v2.20260626.0
https://github.com/iv-org/invidious/pull/5776
https://github.com/iv-org/invidious/issues/5775
https://github.com/iv-org/invidious/commit/c435dc1204970bcca06bcdcfb116c22092be22fd
Published: 2026-06-29
Updated: 2026-06-29
Base Score: 2.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 3.7
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Severity: Low
Base Score: 6.3
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Severity: Medium