CVE-2026-59258
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.
Weakness
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
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