CVE-2026-54780

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, the CoreWCF WS-Security 1.0 receive pipeline validates ds:SignedInfo SignatureMethod against the configured SecurityAlgorithmSuite but does not validate each ds:Reference...

CVE-2026-54780 CoreWCF: WS-Security Reference DigestMethod Algorithm-Suite Bypass

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, the CoreWCF WS-Security 1.0 receive pipeline validates ds:SignedInfo SignatureMethod against the configured SecurityAlgorithmSuite but does not validate each ds:Reference...

CVE-2026-54780 CoreWCF: WS-Security Reference DigestMethod Algorithm-Suite Bypass

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, the CoreWCF WS-Security 1.0 receive pipeline validates ds:SignedInfo SignatureMethod against the configured SecurityAlgorithmSuite but does not validate each ds:Reference...

CVE-2026-54780

CoreWCF WS-Security 1.0 receive pipeline does not validate ds:Reference DigestMethod while validating ds:SignedInfo SignatureMethod, allowing a rejection of digest algorithms (e.g., SHA-1) to be bypassed in affected versions. Affected components include CoreWCF and CoreWCF.Primitives; fixed in Co...

Infinite loop

Overview tar is a full-featured Tar for Node.js. Affected versions of this package are vulnerable to Infinite loop via the replace method. An attacker can cause the archive scanner to enter an infinite loop by providing a tar header with a negative base-256 encoded entry size. Remediation Upgrade...

CVE-2026-55956

A flaw was found in Apache Tomcat where access control rules for the default servlet are improperly handled. An attacker can exploit this issue to bypass specific HTTP method restrictions, potentially gaining unauthorized access to protected application resources. Mitigation Review your...

CVE-2026-41042

Unauthenticated callers can supply a malicious H2 JDBC URL through the testConnection API, which executes arbitrary Java code on the server via H2's INIT parameter. Vulnerability in Apache Gravitino. This issue affects Apache Gravitino: before 1.2.1. Users are recommended to upgrade to version...

PYSEC-2026-1786 Picklescan has a missing detection when calling built-in python idlelib.calltip.Calltip

Summary Using idlelib.calltip.Calltip.fetchtip, 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.calltip.Calltip.fetchtip function in reduce method The...

PYSEC-2026-1926 Skops may allow MethodNode to access unexpected object fields through dot notation, leading to arbitrary code execution at load time

Summary An inconsistency in MethodNode can be exploited to access unexpected object fields through dot notation. This can be used to achieve arbitrary code execution at load time. While this issue may seem similar to https://github.com/skops-dev/skops/security/advisories/GHSA-m7f4-hrc6-fwg3, it i...

PYSEC-2026-1896 Salt's worker process vulnerable to denial of service through file read operation

Worker process denial of service through file read operation. .A vulnerability exists in the Master's “pubret” method which is exposed to all minions. The un-sanitized input value “jid” is used to construct a path which is then opened for reading. An attacker could exploit this vulnerabilities by...

Open WebUI Vulnerable to Cross-Site Request Forgery (CSRF)

In version v0.3.8 of open-webui/open-webui, sensitive actions such as deleting and resetting are performed using the GET method. This vulnerability allows an attacker to perform Cross-Site Request Forgery CSRF attacks, where an unaware user can unintentionally perform sensitive actions by simply...

PYSEC-2026-1471 Jinja2 vulnerable to sandbox breakout through attr filter selecting format method

An oversight in how the Jinja sandboxed environment interacts with the |attr filter allows an attacker that controls the content of a template to execute arbitrary Python code. To exploit the vulnerability, an attacker needs to control the content of a template. Whether that is the case depends o...

PYSEC-2026-1096 aiohttp has a memory leak when middleware is enabled when requesting a resource with a non-allowed method

Summary A memory leak can occur when a request produces a MatchInfoError. This was caused by adding an entry to a cache on each request, due to the building of each MatchInfoError producing a unique cache entry. Impact If the user is making use of any middlewares with aiohttp.web then it is...

New API is vulnerable to CSRF through user email binding

Summary The email and WeChat account binding endpoints used GET requests for state-changing account operations. In deployments where session cookies could be sent on cross-site navigations, an attacker could trigger a logged-in user's browser to bind an attacker-controlled email address or OAuth...

PYSEC-2026-1510 langchain vulnerable to path traversal

langchain-ai/langchain is vulnerable to path traversal due to improper limitation of a pathname to a restricted directory 'Path Traversal' in its LocalFileStore functionality. An attacker can leverage this vulnerability to read or write files anywhere on the filesystem, potentially leading to...

PYSEC-2026-1305 Improper Privilege Management in djangorestframework-simplejwt

djangorestframework-simplejwt before version 5.5.1 is vulnerable to information disclosure. A user can access web application resources even after their account has been disabled due to missing user validation checks via the foruser method...

opentelemetry-instrumentation Denial of Service vulnerability due to unbound cardinality metrics

SummaryAutoinstrumentation out of the box adds the label httpmethod that has unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. DetailsHTTP method for requests can be easily set by an attacker to be random and long. PoCSend many reques...

PYSEC-2026-1752 opentelemetry-instrumentation Denial of Service vulnerability due to unbound cardinality metrics

Summary Autoinstrumentation out of the box adds the label httpmethod that has unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. Details HTTP method for requests can be easily set by an attacker to be random and long. PoC Send many...

RHEL 9 : plexus-utils (RHSA-2026:35992)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:35992 advisory. The Plexus project seeks to create end-to-end developer tools for writing applications. At the core is the container, which can be embedded or for a...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the users.getUser method in the JSON-RPC API. An attacker can retrieve sensitive credential information, such as password hashes, TOTP secrets, and session tokens, by supplying...