CVE-2026-59258

Description

immich before 3.0.3 contains a broken access control vulnerability in the PUT /albums/:id/user/:userId endpoint that allows shared album editors to modify member roles without owner-only restrictions. Attackers with editor access can demote the album owner to editor and promote themselves to owner in sequential requests, gaining full control including deletion and eviction capabilities.

References

• https://github.com/immich-app/immich/commit/84dff19ca9a467752d848ff54763d62c04ebf960
• https://github.com/immich-app/immich/issues/29857
• https://github.com/immich-app/immich/pull/29883
• https://github.com/immich-app/immich/releases/tag/v3.0.3
• https://www.vulncheck.com/advisories/immich-shared-album-editor-ownership-takeover-via-updateuser