CVE-2026-108165: Immich through 3.3.1 Missing Authorization in Partner Sync Exposes Locked Folder Metadata

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-10 · updated 2026-10-18
Weakness: CWE-862

Description

Immich through 3.3.1 contains a missing authorization vulnerability in the partner synchronization stream that allows authenticated partners to read Locked Folder asset metadata because sync queries do not exclude Locked visibility. Attackers with an active partner relationship can call POST /api/sync/stream with PartnerAssetsV2 and PartnerAssetExifsV1 types to obtain GPS coordinates, capture times, descriptions and camera details.

Affected products

immich-app immich: through 3.3.1

References

https://github.com/immich-app/immich
https://github.com/immich-app/immich/blob/db6e11ecc851228aec9c525abb0ee026d1f5055e/server/src/repositories/access.repository.ts#L207-L228
https://github.com/immich-app/immich/blob/db6e11ecc851228aec9c525abb0ee026d1f5055e/server/src/repositories/sync.repository.ts#L662-L722
https://hackmd.io/@haind/immich-partner-sync-locked-metadata
https://www.vulncheck.com/advisories/immich-through-3.3.1-missing-authorization-in-partner-sync-exposes-locked-folder-metadata

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