A privilege escalation vulnerability in Authentik Security authentik through 2026.5.6 allows an attacker with a source-scoped SCIM provisioning token to take over any user account including superusers by provisioning a SCIM user that matches an existing local user by username. The SCIM user ingest function adopts pre-existing local accounts by username without validating scope boundaries. An attacker can rewrite or delete any account, including the superuser, using only a limited provisioning credential.
{
"cna_assigner": "TuranSec",
"cwe_ids": [
"CWE-269"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72537.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2026.5.6"
},
{
"fixed": "2026.5.6"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}