CVE-2026-56740

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option, and TelnetIO.readNEVariables in TelnetIO.java:1127-1180...

EUVD-2026-45343

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option, and TelnetIO.readNEVariables in TelnetIO.java:1127-1180...

CVE-2026-56741

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...

CVE-2026-56741

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...

CVE-2026-56741 JLine: Unauthenticated Remote DoS via Unbounded Telnet NAWS Terminal Geometry

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...

CVE-2026-56741

JLine3 Telnet server's remote-telnet module did not bound NAWS-terminal dimensions, reading width/height as 16-bit values and passing 65535x65535 to setTerminalGeometry. This allowed an unauthenticated remote attacker to induce repeated heavy rendering, causing CPU exhaustion Denial of Service. A...

CVE-2026-56741 JLine: Unauthenticated Remote DoS via Unbounded Telnet NAWS Terminal Geometry

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...

EUVD-2026-45342

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...

CVE-2026-56741 JLine: Unauthenticated Remote DoS via Unbounded Telnet NAWS Terminal Geometry

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS in TelnetIO.java:856-879 reads client-supplied...

Tenda-W20E-Vulnerability-Disclosure

Tenda W20E V5.0 Vulnerability Disclosure Security research di...

PT-2026-83801

Name of the Vulnerable Software and Affected Versions Tenda AC1206 version 15.03.06.23 Description A flaw in the Web UI component allows remote attackers to bypass authentication. This occurs within the TendaTelnet function located in the /goform/telnet endpoint. Recommendations At the moment,...

Fedora 44 : log4cxx (2026-43767b6007)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-43767b6007 advisory. Update to log4cxx 1.7.0. New features: fallback-ref appender attribute, Qt CMake findpackage component, TelnetAppender NonBlocking option. Bug fixes: non-ASC...

Exploit for Argument Injection in Gnu Inetutils

🔥 Abyssal CVE-2026-24061 Telnet Vulnerability Scanner & Exp...

ROS-20260707-73-0022

The vulnerability of the Telnet protocol implementation in the cryptographic protection tool PuTTY is related to errors in information representation by the user interface. Exploiting this vulnerability allows a malicious actor to perform spoofing attacks remotely...

SUSE-SU-2026:22562-1 Security update for jline3

This update for jline3 fixes the following issues: Changes in jline3: unauthenticated remote memory exhaustion via unbounded Telnet 'NEW-ENVIRON variables bsc1269021...

OPENSUSE-SU-2026:21221-1 Security update for jline3

This update for jline3 fixes the following issues: Changes in jline3: unauthenticated remote memory exhaustion via unbounded Telnet 'NEW-ENVIRON variables bsc1269021...

Exploit for Argument Injection in Gnu Inetutils

CVE-2026-24061 CVE-2026-24061-PoC Overview An argument inj...

openSUSE 16: jline3 / jline3-builtins / jline3-console / jline3-console-ui / etc (openSUSE-SU-2026:21221-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21221-1 advisory. Changes in jline3: unauthenticated remote memory exhaustion via unbounded Telnet 'NEW-ENVIRON variables bsc1269021 Tenable has extracted the preceding...

SUSE CVE-2026-13589

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated...

CVE-2026-13589

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated...