CVE-2026-48526 PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed

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...

CVE-2026-48526 PyJWT: Public-key JWK accepted as HMAC secret enables forged HS256 tokens when mixed families are allowed

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...

CVE-2026-48526

PyJWT (Python) prior to 2.13.0 did not validate the use of JSON Web Keys in HMAC verification, allowing an attacker to use the issuer public key as the HMAC secret during token verification. This could enable forging tokens when mixing RS/EC/JWK and HS algorithms. The issue is fixed in PyJWT 2.13...

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 数据伪造问题漏洞

pyjwt is a Python library developed by José Padilla of the United States. It allows for the encoding and decoding of JSON Web Tokens JWTs. Prior to version 2.13.0, pyjwt had a data manipulation vulnerability. This vulnerability stemmed from the fact that the verifier supported both asymmetric and...

CVE-2026-39969

TypeBot is a chatbot builder tool. In versions 3.16.0 and prior, the WhatsApp Cloud API webhook endpoint POST /v1/workspaces/workspaceId/whatsapp/credentialsId/webhook does not verify the x-hub-signature-256 HMAC signature included by Meta in every webhook delivery. The webhook URL exposes both...

Malicious code in rapyd-client (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector fb9b157ff532e1e7c1ccd9ae77aec9a89324f24a5a0f27c1ccd70e430f318b60 Package self-presents as a TypeScript SDK for the Rapyd fintech-as-a-service platform and links https://www.rapyd-client.net/ as if it were Rapyd's...

jwt-pwn

jwt-pwn A zero-dependency Python 3 toolkit for discovering an...

Typebot 安全漏洞

Typebot is an open-source chat bot builder developed by Baptiste Arnaud. Versions of Typebot 3.16.0 and earlier contained a security vulnerability. This vulnerability stemmed from the WhatsApp Cloud API webhook endpoint not verifying the x-hub-signature-256 HMAC signature, allowing unauthenticate...

Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK ModelBuilder/Serve path

Summary Amazon SageMaker Python SDK is an open-source library for training and deploying machine learning models on Amazon SageMaker. An issue exists where, under certain circumstances, the ModelBuilder/Serve component stores an HMAC signing key in cleartext as a container environment variable,...

GHSA-7HH5-PRP2-MFH5 Cleartext storage of HMAC signing key in Amazon SageMaker Python SDK ModelBuilder/Serve path

Summary Amazon SageMaker Python SDK is an open-source library for training and deploying machine learning models on Amazon SageMaker. An issue exists where, under certain circumstances, the ModelBuilder/Serve component stores an HMAC signing key in cleartext as a container environment variable,...

PT-2026-42603

Summary Amazon SageMaker Python SDK is an open-source library for training and deploying machine learning models on Amazon SageMaker. An issue exists where, under certain circumstances, the ModelBuilder/Serve component stores an HMAC signing key in cleartext as a container environment variable,...

PT-2026-44547

Name of the Vulnerable Software and Affected Versions Mailtrap mailer bridge versions prior to 7.4 Description The webhook request parser used to authenticate and decode event callbacks fails to verify the X-Mt-Signature HMAC header. Specifically, the doParseRequest $request, SensitiveParameter...

Astra Linux – Vulnerability in Samba

Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability...

Astra Linux – Vulnerability in Python 2.7, Python 3.7

A issue was discovered in the comparedigest function in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimizations were possible in the accumulator variable used in hmac.comparedigest...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix out-of-bounds read when setting HMAC data. The SRv6 layer allows defining HMAC data that can later be used to sign IPv6 Segment Routing Headers. This configuration is realized through netlink using four attributes:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: crypto: caam – fix DMA corruption on long hmac keys When a key longer than the block size is provided, it is copied and then hashed into the actual key. The memory allocated for the copy needs to be rounded to the DMA cache...

Linux Distros Unpatched Vulnerability : CVE-2026-43330

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: caam - fix overflow on long hmac keys When a key longer than block size is supplied, it is copied and then hashed into the real key. The memory allocate...

SUSE-SU-2026:21824-1 Security update for leancrypto

This update for leancrypto fixes the following issues Security issue: - CVE-2026-34610: The leancrypto library is a cryptographic library that exclusively contains only PQC-resistant cryptographic algorithms. Prior to version 1.7.1, lcx509extractnamesegment casts sizet vlen to uint8t when stori...

HAXcms: Private Key Disclosure via Broken HMAC Implementation

Summary The hmacBase64 function in the HAXcms Node.js backend contains two critical cryptographic implementation errors that together allow any unauthenticated attacker to extract the system’s private signing key and forge arbitrary admin-level JSON Web Tokens JWTs allowing them to get full admin...