RHEL 8 : python3.12 (RHSA-2026:39893)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:39893 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

python3.9 security, bug fix, and enhancement update

3.9.25-7.0.1.el98.2 - Remove upstream URL reference 3.9.25-7.2 - Security fix for CVE-2026-15308 Resolves: RHEL-193786 3.9.25-7.1 - Fix ssl.SSLError: ASN1: NOTENOUGHDATA not enough data with OpenSSL 3.5.7+ Resolves: RHEL-194207...

python3.14 security, bug fix, and enhancement update

3.14.5-1 - Update to 3.14.5 Resolves: RHEL-176147 3.14.5rc1-1 - Update to 3.14.5rc1 - Move back to the generational from the incremental garbage collector - Security fix for CVE-2026-6019 Resolves: RHEL-176147...

Amazon Linux 2023 : python3.14, python3.14-devel, python3.14-freethreading (ALAS2023-2026-1929)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1929 advisory. tarfile.extractall with the 'data' or 'tar'filter could be bypassed by a crafted archive where a hardlinkreferences a symlink stored at a deeper name than the hardlink itself.The extraction...

SUSE SLED15 / SLES15 Security Update : python-cryptography (SUSE-SU-2026:3026-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3026-1 advisory. This update for python-cryptography fixes the following issues - CVE-2026-41676: openssl: Deriver:derive and...

Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1910)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1910 advisory. tarfile.extractall with the 'data' or 'tar'filter could be bypassed by a crafted archive where a hardlinkreferences a symlink stored at a deeper name than the hardlink itself.The extraction...

openSUSE 16 Security Update : python-mistune (openSUSE-SU-2026:21339-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21339-1 advisory. This update for python-mistune fixes the following issues - CVE-2026-59922: quadratic-time parsing on long runs of some markers in formatting.py...

SUSE SLES15 Security Update : python-aiohttp (SUSE-SU-2026:3059-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3059-1 advisory. This update for python-aiohttp fixes the following issues - CVE-2026-22815: insufficient header/trailer handling can cause a denial...

AlmaLinux 8 : python3.12 (ALSA-2026:39893)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:39893 advisory. python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations CVE-2026-15308 Tenable has extracted the preceding description...

RHEL 10 : python3.14 (RHSA-2026:40856)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:40856 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic...

python3.12 security update

3.12.13-3.0.1.el98.1 - Remove upstream URL reference 3.12.13-3.1 - Security fix for CVE-2026-15308 Resolves: RHEL-RHEL-193793...

Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2026-1930)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1930 advisory. The tarfile module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result ...

Linux Distros Unpatched Vulnerability : CVE-2026-59884

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER decoder shared by the CER and DER codecs parses long-form tags by accumulating continuatio...

CVE-2026-59950

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...

CVE-2026-52870

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. From 1.23.0 until 1.27.2, default handlers installed by server.experimental.enabletasks for tasks/list, tasks/get, tasks/result, and tasks/cancel operate only on task identifiers without recordin...

CVE-2026-52869

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamablehttpmanager.StreamableHTTPSessionManager route requests to existing...

CVE-2026-59950

The MCP Python SDK (package name mcp on PyPI) contains a vulnerability in the deprecated mcp.server.websocket.websocket_server transport prior to version 1.28.1, which accepted WebSocket handshakes without Host or Origin header validation. This prevents restrictions on originating connections to ...

CVE-2026-59950

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...

CVE-2026-59950 MCP Python SDK: WebSocket server transport does not support Host/Origin validation

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...

CVE-2026-59950 MCP Python SDK: WebSocket server transport does not support Host/Origin validation

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.28.1, the deprecated mcp.server.websocket.websocketserver transport accepted WebSocket handshakes without applying Host or Origin header validation, leaving no SDK-level way to restric...