CVE-2020-15957

An issue was discovered in DP3T-Backend-SDK before 1.1.1 for Decentralised Privacy-Preserving Proximity Tracing DP3T. When it is configured to check JWT before uploading/publishing keys, it is possible to skip the signature check by providing a JWT token with alg=none...

CVE-2020-26511

The wpo365-login plugin before v11.7 for WordPress allows use of a symmetric algorithm to decrypt a JWT token. This leads to authentication bypass...

CVE-2020-28042

ServiceStack before 5.9.2 mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature...

CVE-2018-1000125

inversoft prime-jwt version prior to version 1.3.0 or prior to commit 0d94dcef0133d699f21d217e922564adbb83a227 contains an input validation vulnerability in JWTDecoder.decode that can result in a JWT that is decoded and thus implicitly validated even if it lacks a valid signature. This attack...

CVE-2019-19324

Xmidt cjwt through 1.0.1 before 2019-11-25 maps unsupported algorithms to alg=none, which sometimes leads to untrusted accidental JWT acceptance...

CVE-2019-1010263

Perl Crypt::JWT prior to 0.023 is affected by: Incorrect Access Control. The impact is: allow attackers to bypass authentication by providing a token by crafting with hmac. The component is: JWT.pm, line 614. The attack vector is: network connectivity. The fixed version is: after commit...

CVE-2019-1020015

graphql-engine aka Hasura GraphQL Engine before 1.0.0-beta.3 mishandles the audience check while verifying JWT...

CVE-2017-12973

Nimbus JOSE+JWT before 4.39 proceeds improperly after detection of an invalid HMAC in authenticated AES-CBC decryption, which allows attackers to conduct a padding oracle attack...

CVE-2019-1010161

perl-CRYPT-JWT 0.022 and earlier is affected by: Incorrect Access Control. The impact is: bypass authentication. The component is: JWT.pm for JWT security token, line 614 in decodejws. The attack vector is: network connectivitycrafting user-controlled input to bypass authentication. The fixed...

Important: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing

A flaw was found in the golang-jwt implementation of JSON Web Tokens JWT. In affected versions, a malicious request with specially crafted Authorization header data may trigger an excessive consumption of resources on the host system. This issue can cause significant performance degradation or an...

AlmaLinux 9 : grafana (ALSA-2025:7404)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:7404 advisory. golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing CVE-2025-30204 Tenable has extracted the preceding description block directly from...

RHEL 8 : osbuild-composer (RHSA-2025:8075)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:8075 advisory. A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for...

CVE-2025-47945

Donetick an open-source app for managing tasks and chores. Prior to version 0.1.44, the application uses JSON Web Tokens JWT for authentication, but the signing secret has a weak default value. While the responsibility is left to the system administrator to change it, this approach is inadequate...

Important: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabili...

golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing

A flaw was found in the golang-jwt implementation of JSON Web Tokens JWT. In affected versions, a malicious request with specially crafted Authorization header data may trigger an excessive consumption of resources on the host system. This issue can cause significant performance degradation or an...

ALSA-2025:7967 Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes:...

Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes:...

MCP Authorization in practice with Spring AI and OAuth2

Last month, we explored how to secure Spring AI MCP Servers1 with the OAuth2 authorization framework. In the conclusion of that article, we mentioned we'd explore using standalone Authorization Servers for MCP Security and deviate from the then-current specification. Since we published the articl...

CVE-2025-47945 Donetick Has Weak Default JWT Secret

Donetick an open-source app for managing tasks and chores. Prior to version 0.1.44, the application uses JSON Web Tokens JWT for authentication, but the signing secret has a weak default value. While the responsibility is left to the system administrator to change it, this approach is inadequate...