CVE-2026-63571

Improper verification of cryptographic signature in the attribute certificate path validator PkixAttrCertPathValidator, also used by PkixAttrCertPathBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote attacker to have a forged X.509 attribute certificate accepted as...

PT-2026-104130

Improper verification of cryptographic signature in the attribute certificate path validator PkixAttrCertPathValidator, also used by PkixAttrCertPathBuilder in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a remote attacker to have a forged X.509 attribute certificate accepted as...

CVE-2024-50478

CVE-2024-50478 1-Click Login: Passwordless Authentication 1.4.5 - Authentication Bypass via Account Takeover Description: The 1-Click Login: Passwordless Authentication plugin for WordPress is vulnerable to authentication bypass in version 1.4.5. This is due to the plugin not properly verifying a...

CVE-2026-94212

Improper verification of cryptographic signature vulnerability in Apache APISIX. Any unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0. Users are recommende...

CVE-2026-94212

Apache APISIX versions 3.17.0 through 3.18.0 are vulnerable to an improper verification of cryptographic signature flaw within the saml-auth plugin. Under default configurations, an unauthenticated attacker can exploit this to impersonate any user across every route protected by the plugin. To re...

EUVD-2026-90765

Improper verification of cryptographic signature vulnerability in Apache APISIX. Any unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0. Users are recommende...

CVE-2026-91191 Lantronix G520 Series Cellular Gateway Improper Verification of Cryptographic Signature

The device's update mechanism includes conditions that allow unauthorized software packages to be accepted as authentic. During the boot process, the stock done function disables signature verification in the OPKG configuration before restoring optional packages from a writable, unsigned feed...

Improper Verification of Cryptographic Signature

Overview PyJWT is a Python implementation of RFC 7519. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the preparekey method in jwt/algorithms.py, where a public JWK container such as a JWK Set with a kty member nested inside a JSON array o...

Improper Verification of Cryptographic Signature

Overview PyJWT is a Python implementation of RFC 7519. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the preparekey method in jwt/algorithms.py, where an encoded JWK such as an RSA public key is accepted as a valid HMAC secret without...

Improper Verification of Cryptographic Signature

Overview PyJWT is a Python implementation of RFC 7519. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the verifysignature method in jwt/apijws.py when a PyJWK object is used to verify an HMAC-signed token. In the vulnerable code path,...

Improper Verification of Cryptographic Signature

Overview authlib is a library in building OAuth and OpenID Connect servers. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the JsonWebSignature.deserializejson method in the JWS JSON serialization handling. An attacker can have unsigned or...

Improper Verification of Cryptographic Signature

Overview PyJWT is a Python implementation of RFC 7519. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the preparekey method in jwt/algorithms.py, where DER-encoded public keys are accepted as HMAC secrets without rejection. An attacker who...

CVE-2026-102271: Improper Verification of Cryptographic Signature

PyJWT is a Python implementation of JSON Web Token standards. From 2.4.0 until 2.14.0, PyJWT HMACAlgorithm.preparekey is affected because asymmetric-key guard relies on textual markers that are absent from DER encoding. This occurs when an application mixes HMAC and asymmetric algorithms and...

CVE-2026-9090-poc

CVE-2026-9090 — Casdoor SAML Signature Bypass PoC Proof-of-concept for CVE-2026-9090 CWE-347, Improper Verification of Cryptographic Signature, an authentication bypass in the Casdoor identity platform. Attribution. CVE-2026-9090 was published and coordinated by CERT/CC — see VU780781. This...

SUSE CVE-2026-57175

Python Social Auth is a social authentication/registration mechanism. Prior to version 5.0.0, the SAML backend accepted SAML responses on the Assertion Consumer Service endpoint without verifying that they matched a previously issued AuthnRequest. Applications using SAML account association could...

Exploit for Improper Verification of Cryptographic Signature in Wso2 Api_Control_Plane

abraxaslabs.tech · github.com/abraxas ·&...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to improper verification of x-amz- headers in the request. An attacker can gain unauthorized read access to objects by adding the x-amz-copy-source header to a presigned PUT URL,...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to improper verification of x-amz- headers in the request. An attacker can gain unauthorized read access to objects by adding the x-amz-copy-source header to a presigned PUT URL,...

CVE-2026-97731: Improper Verification of Cryptographic Signature

MinIO through 7aac2a2 does not verify that every x-amz- header present on a request also appears in the client-supplied X-Amz-SignedHeaders list. extractSignedHeaders in cmd/signature-v4-utils.go iterates only the claimed list and never enumerates the headers that actually arrived, and thus a...

Linux Distros Unpatched Vulnerability : CVE-2026-91187

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Verification of Cryptographic Signature vulnerability in dashbit nimblezta allows an unauthenticated remote attacker to authenticate as an arbitrary...