CVE-2026-18636: Go Impersonation Scope Check Bypass

Impersonation permission is checked against the caller's current evaluation scope rather than against the target context's ACL manager. When changing target contexts or organizations, validate permissions against the target ACL manager to prevent cross-organization privilege escalation.

Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0Go
greprules fetch cve-2026-18636-go-impersonation-scope-check-bypass --engine opengrep

Description

Impersonation permission is checked against the caller's current evaluation scope rather than against the target context's ACL manager. When changing target contexts or organizations, validate permissions against the target ACL manager to prevent cross-organization privilege escalation.