Boltz contains an insecure deserialization vulnerability in its molecule loading functionality

Boltz 2.0.0 contains an insecure deserialization vulnerability in its molecule loading functionality. The application uses Python pickle to deserialize molecule data files without validation. An attacker with the ability to place a malicious pickle file in a directory processed by boltz can achie...

Rogue Agent Flaw Could Have Let Attackers Hijack Google Dialogflow CX Chatbots

A critical flaw in Google's Dialogflow CX could have let an attacker with edit rights on one Code Block-enabled agent compromise other Code Block-enabled agents in the same Google Cloud project. From there, they could read live conversations, steal the data users shared, and make the bots send...

PYSEC-2026-1075 Malicious code in tiktoken-mcp (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of tiktoken-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 an...

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...

mlflow Creates of Temporary File in Directory with Insecure Permissions

In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions 0o777. This vulnerability allows an attacker with write access to the /tmp directory to exploit a race condition and overwrite .py files in the virtual...

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...

WeasyPrint has a Server-Side Request Forgery (SSRF) Protection Bypass via HTTP Redirect

SummaryA Server-Side Request Forgery SSRF Protection Bypass exists in WeasyPrint's defaulturlfetcher. The vulnerability allows attackers to access internal network resources such as localhost services or cloud metadata endpoints even when a developer has implemented a custom urlfetcher to block...

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...

AIOHTTP's unicode processing of header values could cause parsing discrepancies

SummaryThe Python HTTP parser may allow a request smuggling attack with the presence of non-ASCII characters. ImpactIf 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-2026-1099 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...