CVE-2026-58166 - OpenBMB ChatDev - Unauthenticated Path Traversal in Upload Handler Allows Arbitrary File Write and Delete

CVE-2026-58166 - OpenBMB ChatDev - Unauthenticated Path Traversal in Upload Handler Allows Arbitrary File Write and Delete

https://cvefeed.io/rssfeed/latest.atom / Tue, 06/30/2026 - 22:03
CVE ID :CVE-2026-58166
Published : June 30, 2026, 3:51 p.m. | 2 hours, 51 minutes ago
Description :OpenBMB ChatDev through 2.2.0, fixed in commit 4fd4da6, contains a path traversal vulnerability that allows unauthenticated remote attackers to write or delete arbitrary files by supplying a malicious multipart filename in the file upload endpoint. Attackers can send a crafted filename containing path traversal sequences or an absolute path to the POST uploads session endpoint, which constructs the destination path without sanitization in save_upload_file, causing file write and cleanup operations to target attacker-chosen paths on the server filesystem.
Severity: 9.1 | CRITICAL
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