OESA-2026-3720 python-ujson security update

UltraJSON Security Fixes: UltraJSON aka ujson through 5.1.0 has a stack-based buffer overflow in BufferAppendIndentUnchecked called from encode. Exploitation can, for example, use a large amount of indentation.CVE-2021-45958 UltraJSON is a fast JSON encoder and decoder written in pure C with...

Security Bulletin: Investigation Assistant App for IBM QRadar SIEM is vulnerable to using components with known vulnerabilities

Summary The product includes vulnerable components e.g., framework libraries that could be identified and exploited with automated tools. Investigation Assistant App for IBM QRadar SIEM has addressed the applicable CVEs in an update. Vulnerability Details CVEID:CVE-2026-48522 DESCRIPTION: PyJWT i...

ROS-20260713-73-0027

The vulnerability of the Python JSON Logger library is related to the inclusion of functions from an unverified and uncontrolled area. Exploiting this vulnerability allows a malicious actor to execute arbitrary code by deploying a specially crafted package...

PYSEC-2026-921 simplejson before 2.6.1 vulnerable to array index error

Array index error in the scanstring function in the json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the rawdecode function...

simplejson before 2.6.1 vulnerable to array index error

Array index error in the scanstring function in the json module in Python 2.7 through 3.5 and simplejson before 2.6.1 allows context-dependent attackers to read arbitrary process memory via a negative index value in the idx argument to the rawdecode function...

Amazon Linux 2023 : python3-jwt, python3-jwt+crypto (ALAS2023-2026-1842)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1842 advisory. 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 algorithms, the library does not validate u...

EUVD-2026-32918

PyJWT: Algorithm allow-list bypass when decoding with PyJWK / PyJWKClient keys...

PYSEC-2026-177

PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, PyJWKClient.getsigningkey forces a fresh HTTP request to the JWKS endpoint for every JWT with an unknown kid value, with no rate limiting. Since kid comes from the unverified token header, an attacker can trigger unlimited...

DEBIAN-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...

UBUNTU-CVE-2026-48526

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 algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm, allowing attacker to use the issuer public key as the...

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...

Important Photon OS Security Update - PHSA-2026-5.0-0816

Updates of 'rubygem-rdiscount', 'python3-PyJWT' packages of Photon OS have been released...

Security Bulletin: Multiple Vulnerabilities in IBM watsonx Code Assistant On Prem

Summary Multiple vulnerabilities were addressed in IBM watsonx Code Assistant On Prem V5.3.1 Patch 1 Vulnerability Details CVEID:CVE-2024-58340 DESCRIPTION: LangChain versions up to and including 0.3.1 contain a regular expression denial-of-service ReDoS vulnerability in the MRKLOutputParser.pars...

USN-8133-1 pyjwt vulnerability

It was discovered that PyJWT did not validate the critical header parameter, contrary to the RFC specification expectations. A remote attacker could possibly use this issue to bypass certain authentication checks and restrictions...

[SECURITY] Fedora 43 Update: python-ujson-5.12.0-1.fc43

UltraJSON is an ultra fast JSON encoder and decoder written in pure C with bindings for Python...

SUSE SLES15 Security Update : protobuf (SUSE-SU-2026:0563-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:0563-1 advisory. - CVE-2026-0994: Fixed google.protobuf.Any recursion depth bypass in Python jsonformat.ParseDict bsc1257173. Tenable has extracted the...

SUSE-SU-2026:20490-1 Security update for protobuf

This update for protobuf fixes the following issues: - CVE-2026-0994: Fixed google.protobuf.Any recursion depth bypass in Python jsonformat.ParseDict bsc1257173...

SUSE-SU-2026:0563-1 Security update for protobuf

This update for protobuf fixes the following issues: - CVE-2026-0994: Fixed google.protobuf.Any recursion depth bypass in Python jsonformat.ParseDict bsc1257173...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in PyJWT-2.10.1-py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in PyJWT-2.10.1-py3-none-any.whl Vulnerability Details CVEID:CVE-2025-45768 DESCRIPTION: pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the...

PT-2026-25090

Name of the Vulnerable Software and Affected Versions PyJWT versions prior to 2.12.0 Description PyJWT is a Python implementation for handling JSON Web Tokens JWT. Before version 2.12.0, the library did not properly validate the 'crit' Critical Header Parameter as defined in RFC 7515 §4.1.11...