715 matches found
[SECURITY] Fedora 44 Update: python-libcst-1.8.6-4.fc44
LibCST parses Python source code as a CST tree that keeps all formatting details comments, whitespaces, parentheses, etc. It's useful for building automated refactoring codemod applications and linters. LibCST creates a compromise between an Abstract Syntax Tree AST and a traditional Concrete...
Linux Distros Unpatched Vulnerability : CVE-2026-47183
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.6, DNSIncoming.logexceptiondebug and the four QuietLogger...
UBUNTU-CVE-2026-49852
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. Prior to 1.6.8, joserfc.jwt.decode accepts attacker-forged HMAC-signed tokens when the caller-supplied verification key is the empty string or None, because HMACAlgorithm.sign...
CVE-2026-49852
joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. Prior to 1.6.8, joserfc.jwt.decode accepts attacker-forged HMAC-signed tokens when the caller-supplied verification key is the empty string or None, because HMACAlgorithm.sign...
CVE-2026-48487
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.16, readcharacterstring and readstring in src/zeroconf/protocol/incoming.py advanced self.offset by attacker-declared RDLENGTH without checking it against self.datalen, allowing unauthenticated hosts on th...
CVE-2026-47184
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.7, DNSCache.asyncadd inserted every response record into cache, expirations, expireheap, and servicecache without a cap, allowing unauthenticated hosts on the local link over UDP/5353 224.0.0.251 / ff02::f...
UBUNTU-CVE-2026-48045
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.12, AsyncListener.handlequeryordefer retained every truncated TC-bit incoming query, each up to MAXMSGABSOLUTE = 8966 bytes, in self.deferredaddr and armed a per-address timer in self.timersaddr without...
UBUNTU-CVE-2026-47183
Zeroconf is a pure Python implementation of multicast DNS service discovery. Prior to 0.149.6, DNSIncoming.logexceptiondebug and the four QuietLogger exception-dedup methods stored an unbounded seenlogs dictionary keyed by attacker-influenced IncomingDecodeError messages, retaining sys.excinfo...
EUVD-2026-44795
MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal...
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-2026-52870 MCP Python SDK: Experimental task handlers allow any client to access and cancel other clients' tasks
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 MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal
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...
PT-2026-60301
Name of the Vulnerable Software and Affected Versions mcp versions prior to 1.28.1 Description The MCP Python SDK, a Python implementation of the Model Context Protocol, contains an issue in the deprecated mcp.server.websocket.websocket server transport. This component accepts WebSocket handshake...
UBUNTU-CVE-2026-49853
Tornado is a Python web framework and asynchronous networking library. Prior to 6.5.6, SimpleAsyncHTTPClient shallow-copied redirected requests and removed only the Host header, leaving Authorization, authusername, authpassword, and authmode in place when a redirect changed scheme, host, or port...
DEBIAN-CVE-2026-59885
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.4, the BER, CER, and DER decoders process OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs, so a small crafted payload containing an OID with many arcs consumes excessive CPU per decode call and c...
PT-2026-58287
Name of the Vulnerable Software and Affected Versions pyasn1 versions prior to 0.6.4 Description The BER, CER, and DER decoders process OBJECT IDENTIFIER and RELATIVE-OID values in quadratic time relative to the number of arcs. A crafted payload containing an OID with many arcs can cause excessiv...
PYSEC-2026-2916 PraisonAI has an Arbitrary File Write in Python API
Bug Report: Arbitrary File Write in Python API Summary Hidden metadata in a webpage causes PraisonAI agents to write attacker-controlled content to arbitrary paths. writefile skips path validation when workspace=None always None in production. Affected PraisonAI outputfile: /tmp/flag.txt...
PYSEC-2026-3045 Malciously crafted QPY files can allows Remote Attackers to Cause Denial of Service in Qiskit
Impact A maliciously crafted QPY file containing a malformed symengine serialization stream as part of the larger QPY serialization of a ParameterExpression object can cause a segfault within the symengine library, allowing an attacker to terminate the hosting process deserializing the QPY payloa...