CVE-2026-53777 – Perry < 0.5.1159 Path Traversal via ArtifactReady WebSocket

CVE ID :CVE-2026-53777

Published : June 11, 2026, 4:16 p.m. | 1 hour, 3 minutes ago

Description :Perry before 0.5.1159 contains a path traversal vulnerability that allows a malicious build server to write arbitrary content to any location writable by the running process by supplying unsanitized path components in the artifact_name field of ArtifactReady WebSocket messages. Attackers controlling the server URL can deliver traversal payloads through the artifact_name or download_path fields, causing the client to overwrite sensitive files or expose arbitrary local files to an attacker-accessible location.

Severity: 8.6 | HIGH

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