CVE-2026-29515

Critical · CVSS 9.8

MiCode FileExplorer (SwiFTP FTP server) — Authentication Bypass via Unconditional PASS Command Authorization

CVSS: 9.8; nvd
EPSS: —
KEV: No
Class: other; CWE-303, CWE-862

Description

MiCode FileExplorer contains an authentication bypass vulnerability in the embedded SwiFTP FTP server component that allows network attackers to log in without valid credentials. Attackers can send arbitrary username and password combinations to the PASS command handler, which unconditionally grants access and allows listing, reading, writing, and deleting files exposed by the FTP server. The MiCode/Explorer open source project has reached end-of-life status.

Search profile — drives PoC discovery

Symbols PASSCmdPASSSwiFTPFtpCmdSessionThreadhandleCommandCmdUSERFTPServerServicecheckPassworduserLoggedIn

Keywords CVE-2026-29515MiCode FileExplorer authentication bypassSwiFTP PASS command bypassFileExplorer FTP server no credentialsMiCode SwiFTP unauthenticated accessFileExplorer FTP authentication bypass PoCCWE-303 incorrect implementation of authentication algorithmCWE-862 missing authorization FTP

Versions: All versions (project EOL)

References

Status: enriched · ingested 2026-07-15T00:00:20.000Z · profiled 2026-07-15T00:30:20.000Z