CVE-2026-53511

Calibre vulnerability CVE-2026-53511 affects the calibre e-book manager prior to version 9.10.0. A malicious EPUB/OPF/PDF can trigger arbitrary Python code execution when metadata is read by calibre (e.g., via Add books or Edit books) by embedding a python: template in calibre:user_metadata; the ...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511 calibre: Arbitrary Code Execution in Template Formatter via Book Metadata

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511 calibre: Arbitrary Code Execution in Template Formatter via Book Metadata

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python-pip: python-pip-wheel-26.1.2-1.hum1 noarch python3-pip-26.1.2-1.hum1 noarch python-pip-26.1.2-1.hum1.src src Security Fixes: python-pip: CVE-2026-8643...

PYSEC-2026-1224 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...

PYSEC-2026-1886 SageMaker Python SDK has Insecure TLS Configuration

Summary SageMaker Python SDK is an open source library for training and deploying machine learning models on Amazon SageMaker. An issue where SSL certificate verification was globally disabled in the Triton Python backend has been found. Impact Arbitrary Code Execution: Disabling SSL verification...

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...

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...