CVE-2026-28802: Improper Verification of Cryptographic Signature

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application co...

EUVD-2026-9813

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

CVE-2026-28548

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

CVE-2026-28548

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

CVE-2026-28548

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

CVE-2026-28548

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

CVE-2026-28548

CVE-2026-28548 describes a vulnerability in an email application with improper verification. The impact is potential confidentiality compromise; exploitation is indicated as local with low attack complexity and user interaction required (per CVSS 3.1: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N). Specifi...

CVE-2026-28548

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

PT-2026-23431

Vulnerability of improper verification in the email application. Impact: Successful exploitation of this vulnerability may affect service confidentiality...

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 in jwt.decode, which accepts alg: none. An attacker can gain unauthorized access, escalate privileges, or modify...

CVE-2026-2746: Improper Verification of Cryptographic Signature

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails...

CVE-2025-15598: Improper Verification of Cryptographic Signature

A vulnerability was found in Dataease SQLBot up to 1.5.1. This impacts the function validateEmbedded of the file backend/apps/system/middleware/auth.py of the component JWT Token Handler. Performing a manipulation results in improper verification of cryptographic signature. The attack can be...

CVE-2025-12150: Improper Verification of Cryptographic Signature

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2026-2968

Cesanta Mongoose up to 7.20 is affected in mg_chacha20_poly1305_decrypt (tls_chacha20.c, Poly1305 Authentication Tag Handler). The issue is improper verification of the cryptographic signature, with a remote attack vector. Descriptions indicate high complexity for exploitation and that the exploi...

CVE-2026-2967: Improper Verification of Source of a Communication Channel

A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This affects the function getpeer of the file /src/netbuiltin.c of the component TCP Sequence Number Handler. The manipulation leads to improper verification of source of a communication channel. The attack may be initiate...

CVE-2026-2968: Improper Verification of Cryptographic Signature

A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mgchacha20poly1305decrypt of the file /src/tlschacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be...

CVE-2026-22269

Dell PowerProtect Data Manager, versions prior to 19.22, contains an Improper Verification of Source of a Communication Channel vulnerability in the REST API. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass...

CVE-2026-22269

Dell PowerProtect Data Manager, versions prior to 19.22, contains an Improper Verification of Source of a Communication Channel vulnerability in the REST API. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass...

CVE-2026-22266

Dell PowerProtect Data Manager, prior to version 19.22, is affected by an Improper Verification of Source of a Communication Channel in the REST API. The issue could allow a high-privileged, remote attacker to bypass protection mechanisms via the REST API. Exploitation details or exploit availabi...

CVE-2026-22269

Dell PowerProtect Data Manager, versions prior to 19.22, contains an Improper Verification of Source of a Communication Channel vulnerability in the REST API. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to protection mechanism bypass...