PYSEC-2026-547 Deserialization of untrusted data in synthcity

A vulnerability, which was classified as critical, has been found in vanderSchaar LAB synthcity 0.2.9. Affected by this issue is the function loadfromfile of the component PKL File Handler. The manipulation leads to deserialization. The attack may be launched remotely. The exploit has been...

Hugging Face smolagents: Unsafe deserialization in Remote Python Executor leads to RCE

Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face smolagents. Authentication is not required to exploit this...

PYSEC-2026-491 Apache Pyfory python is vulnerable to deserialization of untrusted data

Deserialization of untrusted data in python in pyfory versions 0.12.0 through 0.12.2, or the legacy pyfury versions from 0.1.0 through 0.10.3: allows arbitrary code execution. An application is vulnerable if it reads pyfory serialized data from untrusted sources. An attacker can craft a data stre...

PYSEC-2026-368 Keras framework vulnerable to deserialization of untrusted data

Deserialization of untrusted data can occur in versions of the Keras framework running versions 3.11.0 up to but not including 3.11.3, enabling a maliciously uploaded Keras file containing a TorchModuleWrapper class to run arbitrary code on an end user’s system when loaded despite safe mode being...

PYSEC-2026-490 Apache Pyfory python is vulnerable to deserialization of untrusted data

Deserialization of untrusted data in python in pyfory versions 0.12.0 through 0.12.2, or the legacy pyfury versions from 0.1.0 through 0.10.3: allows arbitrary code execution. An application is vulnerable if it reads pyfory serialized data from untrusted sources. An attacker can craft a data stre...

PYSEC-2026-566 vLLM Deserialization of Untrusted Data vulnerability

vllm-project vllm version v0.6.2 contains a vulnerability in the MessageQueue.dequeue API function. The function uses pickle.loads to parse received sockets directly, leading to a remote code execution vulnerability. An attacker can exploit this by sending a malicious payload to the MessageQueue,...

github.com/go-git/go-billy: Billy: Denial of Service via crafted input due to insufficient validation

A flaw was found in Billy, an interface filesystem abstraction for Go. This vulnerability allows a remote attacker to cause a Denial of Service DoS by providing crafted or malformed input. The issue arises from insufficient validation and missing safety mechanisms when processing untrusted...

PT-2026-53612

Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face smolagents. Authentication is not required to exploit this...

CVE-2026-10804

A flaw was found in Streamlit, within its Palette Handler component. This vulnerability stems from the use of a weak hashing algorithm. A local attacker could exploit this flaw, though it requires a high level of technical complexity. Successful exploitation may lead to a low impact on the...

Deserialization of Untrusted Data

Overview picklescan is a Security scanner detecting Python Pickle files performing suspicious actions Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the idlelib.pyshell.ModifiedInterpreter.runcode process. An attacker can execute arbitrary commands by...

GHSA-Q2H6-GHWM-5QM8 MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings

Summary InterfaceLookupFormatter constructs an internal Dictionary with the default equality comparer instead of the security-aware comparer supplied by options.Security.GetEqualityComparer. Other hash-based collection formatters use the security-aware comparer when...

EUVD-2026-38380

MessagePack-CSharp: InterfaceLookupFormatter bypasses collision-resistant comparer settings...

EUVD-2026-38385

MessagePack-CSharp: ExpandoObject formatter can perform quadratic insertion work on untrusted maps...

GHSA-2F33-PR97-265Q MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodies

Summary The parameterless MessagePackInputFormatter constructor uses default serializer options, which resolve to MessagePackSerializerOptions.Standard with MessagePackSecurity.TrustedData. The formatter is designed for ASP.NET Core MVC request bodies, which commonly cross an HTTP trust boundary...

EUVD-2026-38387

MessagePack-CSharp: ASP.NET Core MessagePackInputFormatter defaults to TrustedData for HTTP request bodies...

GHSA-VH6J-JC39-FGGF MessagePack-CSharp: MessagePackReader.Skip can recurse without enforcing maximum object graph depth

Summary MessagePackReader.TrySkip recursively descends into nested arrays and maps without incrementing the reader depth or calling the configured depth checks. This bypasses MessagePackSecurity.MaximumObjectGraphDepth, the library's documented protection against deeply nested object graphs. Many...

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Overview MessagePack is a MessagePackMsgPack Serializer for C.NET, .NET Core, Unity, Xamarin. Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' in the ReadDateTime function when processing a MessagePack timestamp...

CVE-2026-41120

Dell Wyse Management Suite, versions prior to WMS 5.5 HF1, contain an Acceptance of Extraneous Untrusted Data With Trusted Data vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote Code Execution...

EUVD-2026-39395

Dell Wyse Management Suite, versions prior to WMS 5.5 HF1, contain an Acceptance of Extraneous Untrusted Data With Trusted Data vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote Code Execution...

CVE-2026-41120

CVE-2026-41120 affects Dell Wyse Management Suite prior to 5.5 HF1. The vulnerability is described as an Acceptance of Extraneous Untrusted Data With Trusted Data, enabling a low-privilege, remote attacker to potentially achieve Remote Code Execution. The connected sources indicate the fix is ava...