From A2A Attacks to Envelope-Layer Defense: Red-Teaming Evaluation of LLM Agents and a Three-Layer Isomorphic Attack-Defense Model

Agent interaction protocols such as ACP and A2A have moved LLM-based agents toward multi-agent collaboration, introducing new security threats. A task sent by a remote peer over A2A is treated as a legitimate request, providing a natural channel for indirect prompt injection. Existing agent...

PT-2026-103566

Name of the Vulnerable Software and Affected Versions Kiteworks Core affected versions not specified Description An optional, separately licensed repository-connector feature fails to neutralize special characters in a user-supplied path before passing it to an external command. This allows an...

PT-2026-103015

A flaw has been found in zosmaai pi-llm-wiki up to 0.11.7. Affected is an unknown function of the file mcp/index.ts of the component wiki capture source MCP tool. Executing a manipulation of the argument url can lead to os command injection. The attack can be executed remotely. The exploit has be...

PT-2026-102999

A vulnerability was identified in HKUDS AnyTool 0.1.0. Affected is the function subprocess.run of the file anytool/local server/main.py of the component Execute Endpoint. The manipulation of the argument command/shell leads to os command injection. It is possible to initiate the attack remotely...

CVE-2026-102874: Improper Neutralization of Special Elements used in an OS Command

A vulnerability was identified in HKUDS AnyTool 0.1.0. Affected is the function subprocess.run of the file anytool/localserver/main.py of the component Execute Endpoint. The manipulation of the argument command/shell leads to os command injection. It is possible to initiate the attack remotely. T...

AlmaLinux 9.2 [TuxCare] Security Update: cups / cups-client / cups-devel / cups-filesystem / cups-ipptool / etc (ALMALINUX9.2:CLSA-2026:1786675343)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786675343 advisory. - OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local...

Rocky Linux 9.6 [TuxCare] Security Update: rsync / rsync-daemon / rsync-rrsync Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1789783256)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1789783256 advisory. - rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended...

PT-2026-103301

Name of the Vulnerable Software and Affected Versions JetBrains TeamCity versions prior to 2026.2 JetBrains TeamCity versions prior to 2026.1.4 JetBrains TeamCity versions prior to 2025.11.8 Description Authenticated users can execute arbitrary commands on Windows servers. This is possible throug...

AlmaLinux 9.2 [TuxCare] Security Update: ImageMagick / ImageMagick-c++ / ImageMagick-c++-devel / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1784298569)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784298569 advisory. - ImageMagick is free and open-source software used for editing and manipulating digital images. Versions prior to 7.1.2-13 have a...

CentOS Linux 8.5 [TuxCare] Security Update: python2 / python2-debug / python2-devel / python2-libs / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1777998709)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1777998709 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web...

AlmaLinux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1777884819)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777884819 advisory. - Mitgation of CVE-2026-4519 was incomplete. If the URL contained %action the mitigation could be bypassed for certain browser types the...

Rocky Linux 9.6 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal (ALMALINUX9.6:CLSA-2026:1777661044)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777661044 advisory. - Vim is an open source, command line text editor. Prior to version 9.2.0202, a command injection vulnerability exists in Vim's glob functi...

Rocky Linux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1776169648)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1776169648 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. N...

CentOS Linux 6 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal (CENTOS6:CLSA-2026:1777446368)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1777446368 advisory. - Vim is an open source, command line text editor. Prior to version 9.2.0202, a command injection vulnerability exists in Vim's glob function on...

CentOS Linux 8 [TuxCare] Security Update: python2 / python2-debug / python2-devel / python2-libs / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1771930823)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1771930823 advisory. - The imaplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation...

AlmaLinux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1776169648)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1776169648 advisory. - The webbrowser.open API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New...

AlmaLinux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1778831359)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778831359 advisory. - Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails with a...

CentOS Linux 7 [TuxCare] Security Update: python / python-debug / python-devel / python-libs / python-test / etc (CENTOS7:CLSA-2026:1775222005)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1775222005 advisory. - The poplib module, when passed a user-controlled command, can have additional commands injected using newlines. Mitigation rejects commands...

Rocky Linux 9.6 [TuxCare] Security Update: python-unversioned-command / python3 / python3-debug / etc (ALMALINUX9.6:CLSA-2026:1778831359)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778831359 advisory. - Use-after-free UAF was possible in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile when a memory allocation fails with ...

AlmaLinux 9.6 [TuxCare] Security Update: vim-X11 / vim-common / vim-enhanced / vim-filesystem / vim-minimal (ALMALINUX9.6:CLSA-2026:1777661044)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1777661044 advisory. - Vim is an open source, command line text editor. Prior to version 9.2.0202, a command injection vulnerability exists in Vim's glob function...