CVE-2026-45039

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.2, the internode RPC layer authenticates every request with an HMAC-SHA256 signature using a shared secret. The function that produces this secret, getsharedsecret in crates/ecstore/src/rpc/httpauth.rs, falls back to...

Symfony's Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC — Unauthenticated Webhook Event Injection

Description The Mailtrap mailer bridge ships a webhook request parser used to authenticate and decode the event callbacks Mailtrap POSTs to an application's webhook endpoint. Its doParseRequest $request, \SensitiveParameter string $secret method receives the configured webhook secret but never...

PT-2026-44547

Description The Mailtrap mailer bridge ships a webhook request parser used to authenticate and decode the event callbacks Mailtrap POSTs to an application's webhook endpoint. Its doParseRequest $request, SensitiveParameter string $secret method receives the configured webhook secret but never rea...

axonflow-sdk-typescript: Webhook signing-key (HMAC-SHA256) not exposed by SDK type, preventing signature verification

Summary The AxonFlow SDK's WebhookSubscription or equivalent type did not expose the HMAC-SHA256 signing key returned by the platform's CreateWebhook endpoint. Without access to the secret through the typed SDK API, callers had no path to verify the X-AxonFlow-Signature header on incoming webhook...

axonflow-sdk-go: Webhook signing-key (HMAC-SHA256) not exposed by SDK type, preventing signature verification

Summary The AxonFlow SDK's WebhookSubscription or equivalent type did not expose the HMAC-SHA256 signing key returned by the platform's CreateWebhook endpoint. Without access to the secret through the typed SDK API, callers had no path to verify the X-AxonFlow-Signature header on incoming webhook...

Mojic 安全漏洞

Mojic is a C-language code obfuscation tool developed by Amit Dutta. Versions of Mojic prior to 2.1.4 contained security vulnerabilities. These vulnerabilities stemmed from the use of the standard equality operator by CipherEngine to verify HMAC-SHA256 integrity checks, which could allow attacker...

GHSA-VFGX-5Q85-58Q3 openssl-encrypt has non-cryptographic PRNG used for steganography pixel selection

Summary The generatepseudorandomsequence function in opensslencrypt/plugins/steganography/core/utils.py at lines 89-91 uses Python's random module Mersenne Twister for steganographic pixel/sample selection. Affected Code python random.seedseed sequence = random.samplerangemaxvalue, minlength,...

openssl-encrypt has non-cryptographic PRNG used for steganography pixel selection

Summary The generatepseudorandomsequence function in opensslencrypt/plugins/steganography/core/utils.py at lines 89-91 uses Python's random module Mersenne Twister for steganographic pixel/sample selection. Affected Code python random.seedseed sequence = random.samplerangemaxvalue, minlength,...

MiracleLinux 7 : gnutls-3.3.29-8.el7 (AXSA:2019-3543:01)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2019-3543:01 advisory. gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls CVE-2018-10844 gnutls: HMAC-SHA-384 vulnerable to...

EUVD-2026-2018

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.11.4, there is a flaw in Hono’s JWK/JWKS JWT verification middleware allowed the JWT header’s alg value to influence signature verification when the selected JWK did not explicitly specify an algorith...

Improper Verification of Cryptographic Signature

Overview jws is an Implementation of JSON Web Signatures Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the createVerify function when using HS256 HMAC algorithms and incorporating user-provided data from the JSON Web Signature Protected...

auth0/node-jws Improperly Verifies HMAC Signature

Overview An improper signature verification vulnerability exists when using auth0/node-jws with the HS256 algorithm under specific conditions. Am I Affected? You are affected by this vulnerability if you meet all of the following preconditions: 1. Application uses the auth0/node-jws implementatio...

EUVD-2023-3035

Malicious code in bioql PyPI...

CVE-2023-23928

reason-jose is a JOSE implementation in ReasonML and OCaml.Jose.Jws.validate does not check HS256 signatures. This allows tampering of JWS header and payload data if the service does not perform additional checks. Such tampering could expose applications using reason-jose to authorization bypass...

CVE-2023-48707

CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The secretKey value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database,...

GHSA-V427-C49J-8W6X Cleartext Storage of Sensitive Information in HMAC SHA256 Authentication

Impact secretKey, an important key for HMAC SHA256 authentication, was stored in the database in raw form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that person. Patches...

Cleartext Storage of Sensitive Information in HMAC SHA256 Authentication

Impact secretKey, an important key for HMAC SHA256 authentication, was stored in the database in raw form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that person. Patches...

PT-2023-19302 · Unknown · Reason-Jose

Name of the Vulnerable Software and Affected Versions: reason-jose versions prior to 0.8.2 Description: The issue affects the Jose.Jws.validate function, which does not check HS256 signatures. This allows tampering of JWS header and payload data if the service does not perform additional checks,...

Huawei Data Communication: Deploying OSPFv3 Authentication

OSPFv3 HMAC-SHA256 authentication is deployed to prevent attackers from attempting to use control plane protocols to destroy entries on which forwarding depends, such as routes. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are...

JWT Tool - A Toolkit For Testing, Tweaking And Cracking JSON Web Tokens

jwttool.py is a toolkit for validating, forging and cracking JWTs JSON Web Tokens. Its functionality includes: Checking the validity of a token Testing for the RS/HS256 public key mismatch vulnerability Testing for the alg=None signature-bypass vulnerability Testing the validity of a secret/key/k...