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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-863"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59258.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.0.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"original_tag": "v3.0.3",
"range": [
{
"fixed": "cd308ad93093735135f99d85ce6980c8e93df231"
}
],
"source": "REFERENCES_TAG"
},
{
"range": [
{
"fixed": "84dff19ca9a467752d848ff54763d62c04ebf960"
}
],
"source": "REFERENCES_COMMIT"
}
]
}