CVE-2026-54055 Kitty has an Arbitrary File Write via Symlink Race Condition in File Transmission Protocol

Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.2, a local privilege escalation vulnerability exists in kitty's file transmission protocol where a child process running in the terminal can write to arbitrary files on the filesystem by exploiting a TOCTOU...

CVE-2026-54055

Kitty (cross‑platform GPU terminal) contains a local privilege escalation vulnerability in its file transmission protocol prior to 0.47.2. A TOCTOU race between symlink validation and file creation allows a child process in the terminal to cause an attack to write to arbitrary files because os.op...

CVE-2026-42851

CVE-2026-42851 (Kitty terminal) : In versions prior to 0.47.0, a program that writes bytes to a Kitty terminal can trigger execution of attacker-supplied Python inside the Kitty process with the user’s privileges. This is a local issue with high impact to confidentiality, integrity, and availabil...

Debian dsa-6307 : kitty - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6307 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6307-1 [email protected] https://www.debian.org/securit...

CVE-2026-33642

A flaw was found in Kitty, a cross-platform GPU-based terminal. A remote attacker, by sending specially crafted escape sequences to a Kitty terminal, can exploit an integer wrapping vulnerability in the handlecomposecommand function. This vulnerability allows for out-of-bounds memory access, whic...

CVE-2026-33642

Kitty is a cross-platform GPU based terminal. In versions 0.46.2 and below, the handlecomposecommand function in kitty/graphics.c performs bounds validation on composition offsets using unsigned 32-bit arithmetic that is subject to integer wrapping, potentially leading to Heap Buffer...

TencentOS Server 4: kitty (TSSA-2025:0486)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0486 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

EUVD-2024-22365

Malicious code in bioql PyPI...

Debian dla-4203 : kitty - security update

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4203 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4203-1 [email protected] https://www.debian.org/lts/security/...

CVE-2024-25003

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the hostname, occurs due to insufficient bounds checking and input sanitization. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution...

CVE-2024-25004

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds checking and input sanitization at line 2600. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution...

SUSE CVE-2025-43929

openactions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable file that may have been linked from an untrusted document e.g., a document opened in KDE ghostwriter...

DEBIAN-CVE-2025-43929

openactions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable file that may have been linked from an untrusted document e.g., a document opened in KDE ghostwriter...

UBUNTU-CVE-2025-43929

openactions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable file that may have been linked from an untrusted document e.g., a document opened in KDE ghostwriter...

Fedora 41 : kitty (2025-756c627691)

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-756c627691 advisory. Update to 0.40.0 https://sw.kovidgoyal.net/kitty/changelog/detailed-list-of-changes Tenable has extracted the preceding description block directly from the...

Stack overflow

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds checking and input sanitization at line 2600. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution...

CVE-2024-25004

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds checking and input sanitization at line 2600. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution...

CVE-2024-25004

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds checking and input sanitization at line 2600. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution...

CVE-2024-23749

KiTTY versions 0.76.1.13 and before is vulnerable to command injection via the filename variable, occurs due to insufficient input sanitization and validation, failure to escape special characters, and insecure system calls at lines 2369-2390. This allows an attacker to add inputs inside the...

CVE-2024-25003

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the hostname, occurs due to insufficient bounds checking and input sanitization. This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution...