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 v4.0

7.2 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.46% chance of exploitation in the next 30 days, 38th percentile

Published

2026-07-15

Updated

2026-07-28

Proof-of-concept exploits (1)

• immich-app/immich/issues/29857

References

• CVE Record
• NVD entry

Related

• CVE-2026-59255
• CVE-2026-59310
• CVE-2026-59243
• CVE-2026-5952
• CVE-2026-59230
• CVE-2026-5960