CVE-2026-59258

immich < 3.0.3 Shared Album Editor Ownership Takeover via updateUser

HIGH 7.2EPSS 0.5%

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.

Affected: immich-app · immich
CVSS v4.0 VULNCHECK: 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 VULNCHECK: 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: 2026-09-17

Proof-of-concept exploits (1)

immich-app/immich/issues/29857116201★ · 2026-10-14

CVE-2026-59258

Proof-of-concept exploits (1)

References