PYSEC-2026-1074 Malicious code in ray-mcp-server (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of ray-mcp-server were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials...

PYSEC-2026-1073 Malicious code in orchestr8-platform (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of orchestr8-platform were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates...

PYSEC-2026-1072 Malicious code in openai-mcp (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of openai-mcp were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-1071 Malicious code in mem8 (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of mem8 were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and attemp...

PYSEC-2026-1852 Python-Multipart has Arbitrary File Write via Non-Default Configuration

Summary A Path Traversal vulnerability exists when using non-default configuration options UPLOADDIR and UPLOADKEEPFILENAME=True. An attacker can write uploaded files to arbitrary locations on the filesystem by crafting a malicious filename. Details When UPLOADDIR is set and UPLOADKEEPFILENAME is...

protobuf affected by a JSON recursion depth bypass

A denial-of-service DoS vulnerability exists in google.protobuf.jsonformat.ParseDict in Python, where the maxrecursiondepth limit can be bypassed when parsing nested google.protobuf.Any messages.Due to missing recursion depth accounting inside the internal Any-handling logic, an attacker can supp...

PYSEC-2026-1805 protobuf affected by a JSON recursion depth bypass

A denial-of-service DoS vulnerability exists in google.protobuf.jsonformat.ParseDict in Python, where the maxrecursiondepth limit can be bypassed when parsing nested google.protobuf.Any messages. Due to missing recursion depth accounting inside the internal Any-handling logic, an attacker can...

PYSEC-2026-1924 sigstore CSRF possibility in OIDC authentication during signing

Summary The sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. Details OAuthSession creates a unique "state" and sends it as a parameter in the authentication request but the "state" in the server response seems not not be cross-checked with this value. Fix...

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...