Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via a malformed SSH sub-verb in the authentication process. An attacker can gain unauthorized read access to private repositories by crafting specific SSH requests. Remediation Upgrade gitea.dev/cmd to version...

Weekly Metasploit Update: Modules for SMB-to-Meterpreter, Peyara Remote Mouse RCE exploit, and more

It's Time to Upgrade Your SMB Session This week, Metasploit contributor Dean Welch has added an SMB to Meterpreter session upgrade module. It uses PsExec to facilitate the upgrade. Users can load the module with use windows/manage/smbtometerpreter and specify the session number they wish to...

CVE-2026-58423 LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories

LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories...

K000162049: Go vulnerability CVE-2025-58181

Security Advisory Description SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption. CVE-2025-58181 Impact An attacker may be able to cause an increase in resource utilizatio...

K000162045: Go vulnerability CVE-2025-47914

Security Advisory Description SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read. CVE-2025-47914 Impact An attacker may be able to cause a denial-of-service DoS...

SUSE-SU-2026:22516-1 Security update for podman

This update for podman fixes the following issues - CVE-2026-34986: github.com/go-jose/go-jose/v4,github.com/go-jose/go-jose/v3: crafted JWE input with a missing encrypted key can lead to a denial of service bsc1262856. - CVE-2026-39827: Invoking memory leak when rejecting channels can lead to Do...

CVE-2026-54886

A flaw was found in the Erlang OTP ssh Secure Shell component, specifically within its SFTP SSH File Transfer Protocol module. An authenticated SFTP user can exploit this vulnerability by sending specially crafted extended data on an open channel. This action triggers an infinite loop in the...

CVE-2026-12064

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

EUVD-2026-41495

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for th...

CVE-2026-9547

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPTSSHKEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for th...

CVE-2026-12064

CVE-2026-12064 describes an issue in curl where using a schemeless URL with --proto-default for SFTP/SCP causes the tool layer to skip SSH security configuration (notably CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 and CURLOPT_SSH_KNOWNHOSTS ). The libcurl runtime honors the default protocol and proceeds ...

CVE-2026-12064

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

CVE-2026-12064 proto-default skips SSH verification

When a user invokes curl using a schemeless URL combined with --proto-default sftp or scp, a disconnect occurs between the tool layer and libcurl. The tool layer incorrectly infers the URL scheme, which erroneously bypasses the initialization of critical SSH security options like...

Ubuntu 24.04 LTS / 25.10 / 26.04 LTS : libssh2 vulnerabilities (USN-8486-1)

The remote Ubuntu 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8486-1 advisory. It was discovered that libssh2 incorrectly handled the sftpsymlink function. A malicious SSH server or machine-in-the-middle attacker...

Linux Distros Unpatched Vulnerability : CVE-2026-54886

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to render an SFTP channel...

SUSE SLES15 Security Update : buildah (SUSE-SU-2026:2733-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2733-1 advisory. This update for buildah fixes the following issues - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506:...

Security update for buildah

This update for buildah fixes the following issues CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html: multiple issues when parsing HTML files bsc1267179. CVE-2026-34986: github.com/go-jose/go-jose/v4,github.com/go-jose/go-jose/v3: crafted JWE input...

CVE-2026-53422

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...

UBUNTU-CVE-2026-53422

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-2026-54886

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to render an SFTP channel permanently unresponsive. The handledata/4 function in sshsftpd contains a catch-all clause that accepts channel data of any type. When...