Claude Code Action: Malicious MCP Server Configuration in PRs Enables Remote Code Execution and Secret Exfiltration

Due to the combination of checking out PR head branches attacker-controlled, reading .mcp.json from the working directory via default setting sources, and unconditionally enabling all project MCP servers via enableAllProjectMcpServers, it was possible for an attacker who opened a PR containing a...

CVE-2026-44421

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdiCacheToSurface: it validates a destination rectangle that is clamped to UINT16MA...

CVE-2026-43974

A flaw was found in gun. A malicious HTTP server can exploit this vulnerability by sending an unsolicited '101 Switching Protocols' response to a gun client. This action forces the client into a raw protocol mode, allowing the server to flood the client with arbitrary data. This uncontrolled data...

EUVD-2026-35074

Uncontrolled Resource Consumption vulnerability in ninenines gun gunhttp module allows a malicious server to exhaust client memory via unbounded HTTP/1.1 response buffering. In gunhttp:handle/5, three clauses accumulate incoming TCP data into the connection's buffer field using binary concatenati...

CVE-2026-33448

CVE-2026-33448 is a format string vulnerability in the logging subsystem of Secure Access client for MacOS prior to 14.50. Attackers with control of a modified server can force the client to dump the contents of a small portion of memory to the log files potentially revealing secrets...

CVE-2026-44421

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdiCacheToSurface: it validates a destination rectangle that is clamped to UINT16MA...

CVE-2026-44421

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdiCacheToSurface: it validates a destination rectangle that is clamped to UINT16MA...

CVE-2026-45366 typescript-utcp: SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

typescript-utcp is a typescript implementation of UTCP. Prior to 1.1.2, the @utcp/http package is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registerManual validates the discovery URL against an HTT...

CVE-2026-22880 Mobile SSO authentication flow allows credential theft via malicious server

Mattermost Mobile Apps versions =2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows an attacker controlling a malicious Mattermost server to steal user credentials for a legitimate Mattermost server via relaying the SSO...

CVE-2026-22880 Mobile SSO authentication flow allows credential theft via malicious server

Mattermost Mobile Apps versions =2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows an attacker controlling a malicious Mattermost server to steal user credentials for a legitimate Mattermost server via relaying the SSO...

EUVD-2026-31250

Mattermost Mobile Apps versions =2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows an attacker controlling a malicious Mattermost server to steal user credentials for a legitimate Mattermost server via relaying the SSO...

CVE-2026-22880

Mattermost Mobile Apps (versions

Astra Linux - уязвимость в curl

This flaw allows a malicious HTTP server to set “super cookies” using curl, which are then transmitted back to multiple origins beyond what is allowed or possible. This enables a site to set cookies that are then sent to different and unrelated sites and domains. The attack can occur by exploitin...

Astra Linux - уязвимость в firefox

By using XSL Transforms, a malicious webserver could serve a user an XSL document that would continue to execute JavaScript within the bounds of the same-origin policy even after the tab was closed. This vulnerability affects Firefox versions earlier than 97...

Astra Linux - уязвимость в python2.7, python3.7

A flaw was discovered in Python, specifically in the FTP File Transfer Protocol client library when operating in PASV passive mode. The issue arises from how the FTP client defaults to trusting the host based on the PASV response. This flaw allows an attacker to create a malicious FTP server that...

Astra Linux - уязвимость в chromium

Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server...

CVE-2026-43620

Rsync 3.4.2 and earlier are affected by a receiver-side out-of-bounds array read in recv_files() (receiver.c). The underlying cause is a mismanaged pointer array leading to an 8-byte read before the allocated array, allowing a crafted file list (with CF_INC_RECURSE enabled, first sorted entry not...

freerdp: FreeRDP: Denial of Service via FastGlyph parsing buffer overflow

A flaw was found in FreeRDP. A malicious server can exploit a vulnerability in FastGlyph parsing, which improperly trusts data length without sufficient validation. This can lead to a client-side global buffer overflow, resulting in a denial of service DoS due to a crash. For this vulnerability t...

freerdp: FreeRDP: Arbitrary code execution via heap buffer overflow in GDI surface pipeline

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol RDP. A malicious RDP server can exploit a heap buffer overflow vulnerability by sending a specially crafted graphics command to a FreeRDP client. This allows the server to write data outside of its intended memory...

PT-2026-41966

Summary The mailpit dump --http sub-command downloads every message from a remote Mailpit instance and writes each one as .eml inside the user-supplied output directory. The message ID field is taken verbatim from the JSON response of the remote server and concatenated into the output path with...