CVE-2026-38820

openNDS versions before 11.0.0 are susceptible to unauthenticated OS command execution due to a shell command injection vulnerability in libopennds.sh . The flaw is triggered through the fas query parameter on the /opennds_preauth/ endpoint, allowing an attacker on an adjacent network to execute ...

EUVD-2026-67360

openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /openndspreauth/ endpoint because of libopennds.sh...

CVE-2026-38820

openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /openndspreauth/ endpoint because of libopennds.sh...

PT-2026-82832

openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /opennds preauth/ endpoint because of libopennds.sh...

PT-2026-72610

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ksmbd component during concurrent SMB2 NEGOTIATE requests. The smb2 handle negotiate function allocates the conn-preauth info variable, which is shar...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller

watchTowr-vs-Citrix-Netscaler-PreAuth-RCE Detection Artifact...

Security update for libssh2_org

This update for libssh2org fixes the following issues: CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. CVE-2026-55199: pre-authentication DoS...

CVE-2026-67193

Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCount value by sending a USER command with a username ending in the :adm suffix. Attackers can trigger the admin protocol path within the...

CVE-2026-54538 xrdp: Pre-auth infinite loop via totalLength=0 in TS_SHARECONTROLHEADER

xrdp is an open source RDP server. In versions 0.10.6 and prior, a n issue was discovered where the software fails to properly validate the totalLength field within the RDP protocol control header during packet reception. An unauthenticated remote attacker can exploit this vulnerability by sendin...

Exploit for CVE-2026-63030

WordPresShell Pre-auth RCE PoC for CVE-2026-63030 + CVE...

CVE-2026-45309

AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Prior to 2.23.0, AsyncSSH expands the OpenSSH-compatible AuthorizedKeysFile %u token in asyncssh/config.py, asyncssh/connection.py,...

CVE-2026-48758 sigstore-js: DSSE payloadType type-binding failure

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature...

CVE-2026-48758

CVE-2026-48758 affects sigstore-js with a flaw in the preAuthEncoding function in @sigstore/core: it uses Node.js ASCII encoding when converting PAE strings to bytes, allowing payloadType to be mutated after signing without invalidating the DSSE signature. The issue is fixed in @sigstore/core ver...

CVE-2026-15720 Pre-auth heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler

In Open5GS through version 2.7.7 a pre-authentication heap out-of-bounds read in the AMF NAS 5GS mobile-identity handler may result in subscriber-wide denial of service...

BIT-NATS-2026-58210 NATS Server: MQTT partial CONNECT packets can exhaust pre-auth memory

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, an unauthenticated MQTT client could cause the server to retain large incomplete MQTT CONNECT packets before authentication completed, consuming server memory while the...

PT-2026-58919

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-58250

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

PYSEC-2026-407 Marimo: Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

Summary Marimo 19.6k stars has a Pre-Auth RCE vulnerability. The terminal WebSocket endpoint /terminal/ws lacks authentication validation, allowing an unauthenticated attacker to obtain a full PTY shell and execute arbitrary system commands. Unlike other WebSocket endpoints e.g., /ws that correct...

GHSA-JFC7-64V2-MR8C @sigstore/core has DSSE payloadType type-binding failure

Impact The preAuthEncoding function in @sigstore/core uses Node.js 'ascii' encoding when converting the PAE Pre-Authentication Encoding string to bytes. This allows payloadType to be mutated after signing without invalidating the signature, breaking the type-binding guarantee that DSSE is designe...

CVE-2026-57915

A flaw in Apache Kerby allows an attacker to bypass the Kerberos pre-authentication check by sending a Pre-Authentication Data (PA-DATA) packet containing an unrecognized or unsupported type. This vulnerability, identified as CWE-304 , can lead to unauthorized access or impersonation within a Ker...