PYSEC-2026-1469 jaraco.context Has a Path Traversal Vulnerability

Summary There is a Zip Slip path traversal vulnerability in the jaraco.context package affecting setuptools as well, in jaraco.context.tarball function. The vulnerability may allow attackers to extract files outside the intended extraction directory when malicious tar archives are processed. The...

Azure Core is vulnerable to deserialization of untrusted data

Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network...

PYSEC-2026-1208 Azure Core is vulnerable to deserialization of untrusted data

Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network...

PYSEC-2026-1430 GuardDog Path Traversal Vulnerability Leads to Arbitrary File Overwrite and RCE

Summary A path traversal vulnerability exists in GuardDog's safeextract function that allows malicious PyPI packages to write arbitrary files outside the intended extraction directory, leading to Arbitrary File Overwrite and Remote Code Execution on systems running GuardDog. CWE: CWE-22 Improper...

PYSEC-2026-1787 picklescan has Arbitrary file read using `io.FileIO`

Summary Unsafe pickle deserialization allows unauthenticated attackers to read arbitrary server files and perform SSRF. By chaining io.FileIO and urllib.request.urlopen, an attacker can bypass RCE-focused blocklists to exfiltrate sensitive data example: /etc/passwd to an external server. Details...

PYSEC-2026-1099 AIOHTTP's unicode processing of header values could cause parsing discrepancies

Summary The Python HTTP parser may allow a request smuggling attack with the presence of non-ASCII characters. Impact If a pure Python version of aiohttp is installed i.e. without the usual C extensions or AIOHTTPNOEXTENSIONS is enabled, then an attacker may be able to execute a request smuggling...

PYSEC-2026-2000 Universal Tool Calling Protocol (UTCP) client library for Python vulnerable to Trust Boundary Violation through Manual JSON specification

The vulnerability arises when a client fetches a tools’ JSON specification, known as a Manual, from a remote Manual Endpoint. While a provider may initially serve a benign manual e.g., one defining an HTTP tool call, earning the clients’ trust, a malicious provider can later change the manual to...

PYSEC-2026-1765 Peppol-py is vulnerable to XXE attacks due to Saxon configuration

Peppol-py before 1.1.1 allows XXE attacks because of the Saxon configuration. When validating XML-based invoices, the XML parser could read files from the filesystem and expose their content to a remote host...

PYSEC-2026-1205 AWS Advanced Python Wrapper: Privilege Escalation in Aurora PostgreSQL instance

Description of Vulnerability: An issue in AWS Wrappers for Amazon Aurora PostgreSQL may allow for privilege escalation to rdssuperuser role. A low privilege authenticated user can create a crafted function that could be executed with permissions of other Amazon Relational Database Service RDS...

PYSEC-2026-1129 Apache Airflow `/api/v2/dagReports` executes DAG Python in API

API users via /api/v2/dagReports could perform Dag code execution in the context of the api-server if the api-server was deployed in the environment where Dag files were available...

PYSEC-2026-1766 pg8000 SQL injection vulnerability via a specially crafted Python list input

SQL injection vulnerability in tlocke pg8000 1.31.4 allows remote attackers to execute arbitrary SQL commands via a specially crafted Python list input to function pg8000.native.literal...

PYSEC-2026-1932 Python Social Auth - Django has unsafe account association

Impact Upon authentication, the user could be associated by e-mail even if the associatebyemail pipeline was not included. This could lead to account compromise when a third-party authentication service does not validate provided e-mail addresses or doesn't require unique e-mail addresses. Patche...

PYSEC-2026-1846 python-ldap is Vulnerable to Improper Encoding or Escaping of Output and Improper Null Termination

Summary ldap.dn.escapednchars escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this helper to construct DNs from untrusted input can be made to consistently fail before a request is sent to the LDAP...

PYSEC-2026-1847 python-ldap has sanitization bypass in ldap.filter.escape_filter_chars

Summary The sanitization method ldap.filter.escapefilterchars can be tricked to skip escaping of special characters when a crafted list or dict is supplied as the assertionvalue parameter, and the non-default escapemode=1 is configured. Details The method ldap.filter.escapefilterchars supports 3...

PYSEC-2026-1854 python-socketio vulnerable to arbitrary Python code execution (RCE) through malicious pickle deserialization in certain multi-server deployments

Summary A remote code execution vulnerability in python-socketio versions prior to 5.14.0 allows attackers to execute arbitrary Python code through malicious pickle deserialization in multi-server deployments on which the attacker previously gained access to the message queue that the servers use...

PYSEC-2026-1795 pip's fallback tar extraction doesn't check symbolic links point to extraction directory

When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn't implement PEP 706. Note that upgrading pip to a "fixed" version for this vulnerability doesn't fix all known vulnerabilities that are remediated by using a Python versi...

PYSEC-2026-1784 Picklescan has a missing detection when calling built-in python idlelib.autocomplete.AutoComplete.get_entity

Summary Using idlelib.autocomplete.AutoComplete.getentity, which is a built-in python library function to execute remote pickle file. Details The attack payload executes in the following steps: First, the attacker craft the payload by calling to idlelib.autocomplete.AutoComplete.getentity functio...

PYSEC-2026-1792 Picklescan is missing detection when calling built-in python ensurepip._run_pip

Summary Using ensurepip.runpip function, which is a built-in python library function to execute remote pickle file. Details The attack payload executes in the following steps: First, the attacker craft the payload by calling to ensurepip.runpip function in reduce method Then when the victim after...

PYSEC-2026-1087 Aim vulnerable to Cross-site Scripting

Cross-site Scripting XSS in aimhubio Aim 3.28.0 allows remote attackers to execute arbitrary JavaScript in victims browsers via malicious Python code submitted to the /api/reports endpoint, which is interpreted and executed by Pyodide when the report is viewed. No sanitisation or sandbox...

PYSEC-2026-1104 AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked trailer sections

Summary The Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. Impact If a pure Python version of aiohttp is installed i.e. without the usual C extensions or AIOHTTPNOEXTENSIONS is enabled, then an attacker may be able to execu...