urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...

EulerOS Virtualization 2.10.1 : python-pip (EulerOS-SA-2026-2034)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in...

DEBIAN-CVE-2026-45409

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...

Security Bulletin: Multiple vulnerabilities in IBM Observability with Instana (OnPrem)

Summary Multiple vulnerabilities were remediated in IBM Observability with Instana OnPrem build 1.0.319 Vulnerability Details CVEID:CVE-2025-66418 DESCRIPTION: urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the...

CVE-2026-48524

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. A remote attacker can exploit this vulnerability by sending specially crafted JWTs with unknown 'kid' key ID values. This can force the PyJWKClient.getsigningkey function to make an unlimited number of unrate-limit...

ROOT-APP-PYPI-CVE-2026-26331 CVE-2026-26331 in rootio-yt-dlp - Patched by Root

Root has patched CVE-2026-26331 in the rootio-yt-dlp package for Root:PyPI. Multiple fixed versions available...

Linux Distros Unpatched Vulnerability : CVE-2026-48526

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC...

CVE-2026-48522

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient passes its uri argument directly to urllib.request.urlopen which uses Python stdlib's default OpenerDirector registering HTTPHandler, HTTPSHandler, FTPHandler, FileHandler, and DataHandler. There is currently no...

PT-2026-44397

Name of the Vulnerable Software and Affected Versions PyJWT versions 2.8.0 through 2.12.1 Description When verifying detached JWS tokens using the unencoded-payload option "b64": false, RFC 7797, the software performs Base64URL decoding of the compact-serialization payload segment before enforcin...

pyjwt: PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)

A missing verification step has been discovered in PyJWT. PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting it. This...

CVE-2026-44345: Improper Neutralization of Special Elements used in an OS Command

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.39, src/bentoml/internal/container/frontend/dockerfile/templates/basev2.j2 interpolates docker.baseimage raw with no escaping, newline filtering, or validation. A malicious...

PyPDF2 Algorithmic Complexity DoS

The vulnerability of the PyPDF2 library for processing PDF files is related to algorithmic complexity. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

PyPDF Loop DoS

The vulnerability of the Python library for working with PDF files, PyPDF, is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability can allow an attacker to cause a service failure...

[SECURITY] Fedora 44 Update: python-urllib3-2.7.0-1.fc44

urllib3 is a powerful, user-friendly HTTP client for Python. urllib3 brings many critical features that are missing from the Python standard libraries: =E2=80=A2 Thread safety. =E2=80=A2 Connection pooling. =E2=80=A2 Client-side SSL/TLS verification. =E2=80=A2 File uploads with multipart encoding...

Directory Traversal

Overview zrok is a zrok Affected versions of this package are vulnerable to Directory Traversal due to Alice exposing a Python SDK ProxyShare with a fixed target URL. Bob sends a request to the share with an absolute URL in the path. The Flask handler passes that path to urllib.parse.urljoin, whi...

cpython: wsgiref.headers.Headers allows header newline injection in Python

Missing newline filtering has been discovered in Python. User-controlled header names and values containing newlines can allow injecting HTTP headers...

cpython: wsgiref.headers.Headers allows header newline injection in Python

Missing newline filtering has been discovered in Python. User-controlled header names and values containing newlines can allow injecting HTTP headers...

Impacket 0.13.1

Impacket is a collection of Python classes for working with network protocols. Impacket is focused on providing low-level programmatic access to the packets and, for some protocols e.g. SMB1-3 and MSRPC, the protocol implementation itself. Packets can be constructed from scratch, as well as parse...

[SECURITY] Fedora 44 Update: GitPython-3.1.50-1.fc44

GitPython is a python library used to interact with git repositories, high-level like git-porcelain, or low-level like git-plumbing. It provides abstractions of git objects for easy access of repository data, a nd additionally allows you to access the git repository more directly using eith er a...

[SECURITY] Fedora 42 Update: GitPython-3.1.50-1.fc42

GitPython is a python library used to interact with git repositories, high-level like git-porcelain, or low-level like git-plumbing. It provides abstractions of git objects for easy access of repository data, a nd additionally allows you to access the git repository more directly using eith er a...