EUVD-2026-51569

Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.13.0, a malformed packet received during the SFTP connection handshake causes a Go panic. This issue is fixed in version 1.13.0...

CVE-2026-67191

Xlight FTP Server prior to 3.9.5 is affected by a pre-authentication heap buffer overflow in the SSH parser. A logic error in the recv loop termination (OR instead of AND) enables exploitation on any SSH or SFTP connection before authentication, allowing remote unauthenticated access with high im...

SUSE SLED15 / SLES15 Security Update : libssh (SUSE-SU-2026:3330-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3330-1 advisory. - CVE-2026-59843: denial of service via zero advertised channel packet size bsc1272164. - CVE-2026-59844: deni...

EUVD-2026-50079

goshs is a feature-rich single-binary file server for red teamers and developers. From 2.1.3 until 2.1.4, the sftpserver/sftpserver.go password handler used Username != "" && Password != "", so running goshs with -b 'admin:' -sftp and no -fkf left both SFTP authentication handlers unset and allow...

PT-2026-65623

Name of the Vulnerable Software and Affected Versions goshs versions 2.1.3 through 2.1.3 Description An authentication bypass exists in the SFTP server component when the application is started with a basic authentication string containing a username but an empty password e.g., -b 'admin:', the...

CVE-2026-66032 libssh2 Double-Free Heap Corruption via sftp_open()

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

SUSE CVE-2026-15370

A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead ...

UBUNTU-CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848 Libssh: libssh: denial of service via sftp responses with unknown request ids

A flaw was found in libssh. A malicious SFTP server can send responses for unknown request IDs that libssh clients keep queued indefinitely, causing unbounded memory growth and client-side denial of service...

CVE-2026-59848

CVE-2026-59848 concerns libssh. A malicious SFTP server may send responses for unknown request IDs that libssh clients keep queued, causing unbounded memory growth and client-side denial of service. Affected component: libssh’s SFTP client handling. Root cause: responses for unknown IDs are queue...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS in the handling of SFTP responses with unknown request IDs. An attacker can cause unbounded memory growth and disrupt client operations by sending specially crafted responses from a malicious SFTP server. Workaroun...

CVE-2026-59844

A flaw was found in libssh. A remote authenticated client can issue SSHFXPREAD requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests...

CVE-2026-59844

A flaw was found in libssh. A remote authenticated client can issue SSHFXPREAD requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests...

UBUNTU-CVE-2026-15370

A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead ...

CVE-2026-15370

A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead ...

PT-2026-61940

Name of the Vulnerable Software and Affected Versions libssh affected versions not specified Description A flaw exists where a malicious SFTP server can send responses for unknown request IDs. The libssh client queues these responses indefinitely, leading to unbounded memory growth and a...

CVE-2026-13380

VSee Clinic 7.1.26 and VSee Clinic API 1.3.0 expose cleartext SFTP credentials in HTTP responses of three unauthenticated endpoints when SFTP is configured. An unauthenticated observer can retrieve these credentials and use them to access the corresponding SFTP server. Affected component: SFTP co...

[SECURITY] Fedora 44 Update: python-asyncssh-2.24.0-1.fc44

Python 3 library for asynchronous client and server-side SSH communication. It uses the Python asyncio module and implements many SSH protocol features such as the various channels, SFTP, SCP, forwarding, session multiplexing over a connection and more...