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.

CVSS 4.0

7.2CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-25)

CWE

CWE-863

Published

2026-07-15

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

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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