CVE-2026-53422 SFTP REALPATH path-existence oracle allowing filesystem enumeration outside configured root

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...

CVE-2026-53422

CVE-2026-53422 describes an observable response discrepancy in Erlang/OTP ssh_sftpd where the REALPATH handling bypasses the root check, enabling an authenticated SFTP user to determine the existence of files/directories outside the configured root. The uncanonicalized path can trigger resolve_sy...

CVE-2026-53422 SFTP REALPATH path-existence oracle allowing filesystem enumeration outside configured root

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...

EEF-CVE-2026-53422 SFTP REALPATH path-existence oracle allowing filesystem enumeration outside configured root

Summary Observable Response Discrepancy vulnerability in Erlang OTP ssh ssh\sftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSH\FXP\REALPATH handler in ssh\sftpd calls relate\file\name/3 with...

EUVD-2026-41410

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...

CVE-2026-53422 SFTP REALPATH path-existence oracle allowing filesystem enumeration outside configured root

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...

PT-2026-55267

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 29.0.3 Erlang OTP versions 17.0 through 28.5.0.3 Erlang OTP versions 17.0 through 27.3.4.14 Description An observable response discrepancy in the ssh sftpd module allows an authenticated SFTP user to enumerate...

openSUSE 16 Security Update : nodejs22 (openSUSE-SU-2026:21058-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21058-1 advisory. This update for nodejs22 fixes the following issues Update to 22.23.0: - CVE-2026-6733: undici: Undici: Response queue poisoning on reused...

SUSE CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

ALPINE-CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

DEBIAN-CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

CVE-2025-15661

Summary (CVE-2025-15661): libssh2 up to 1.11.1 contains a heap over-read in the sftp_symlink() implementation (src/sftp.c). A crafted SSH_FXP_NAME response can cause a heap buffer over-read when a link_len value exceeds actual packet data during SFTP READLINK/REALPATH, due to missing validation o...

CVE-2025-15661 libssh2 - Heap Buffer Over-read via sftp_symlink() in sftp.c

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending a crafted SSHFXPNAME response...

PT-2026-50786

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.1 commit 2dae302 Description An out-of-bounds heap read exists in the sftp symlink function within src/sftp.c. A malicious SSH server or man-in-the-middle attacker can disclose heap memory contents or cause a cra...

Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Summary When serving static files on Windows, StaticFiles resolves the requested path with os.path.realpath. If a UNC path such as \attacker.com\share reaches the resolver, realpath causes the process to open a connection to the remote host over SMB port 445. This is a server-side request forgery...

GHSA-WQP7-X3PW-XC5R Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Summary When serving static files on Windows, StaticFiles resolves the requested path with os.path.realpath. If a UNC path such as \attacker.com\share reaches the resolver, realpath causes the process to open a connection to the remote host over SMB port 445. This is a server-side request forgery...