CVE-2026-5263

URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing CA, and wolfSSL woul...

CVE-2026-5263

URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing CA, and wolfSSL woul...

CVE-2026-5263 URI nameConstraints not enforced in ConfirmNameConstraints()

URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing CA, and wolfSSL woul...

EUVD-2026-20996

bsv-sdk and bsv-wallet persist unverified certifier signatures in acquirecertificate direct and issuance paths...

bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)

Unverified certifier signatures persisted by acquirecertificate Affected packages Both bsv-sdk and bsv-wallet are published from the sgbett/bsv-ruby-sdk repository. The vulnerable code lives in lib/bsv/walletinterface/walletclient.rb, which is physically shipped inside both gems the...

GHSA-HC36-C89J-5F4J bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)

Unverified certifier signatures persisted by acquirecertificate Affected packages Both bsv-sdk and bsv-wallet are published from the sgbett/bsv-ruby-sdk repository. The vulnerable code lives in lib/bsv/walletinterface/walletclient.rb, which is physically shipped inside both gems the...

DEBIAN-CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

UBUNTU-CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194

The CVE-2026-5194 issue concerns wolfSSL’s ECDSA certificate verification: missing hash/digest size and OID checks may allow digests smaller than allowed for the given key type to pass verification when EdDSA or ML-DSA is enabled. This could reduce security of ECDSA certificate-based authenticati...

CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194 wolfSSL ECDSA Certificate Verification

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-5194 wolfSSL ECDSA Certificate Verification

Missing hash/digest size and OID checks allow digests smaller than allowed when verifying ECDSA certificates, or smaller than is appropriate for the relevant key type, to be accepted by signature verification functions. This could lead to reduced security of ECDSA certificate-based authentication...

CVE-2026-39322

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

Improper Check for Unusual or Exceptional Conditions

Overview bsv-sdk is an A Ruby library for interacting with the BSV Blockchain — keys, scripts, transactions, and more. Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions due to improper handling of ARC broadcaster responses i. An attacker can...

Improper Verification of Cryptographic Signature

Overview bsv-wallet is an Implements the BRC-100 standard wallet-to-application interface for the BSV Blockchain. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the acquirecertificate function. An attacker can persist forged certificate...

CVE-2026-35063

CVE-2026-35063 concerns OpenPLC_V3 REST API: an endpoint checks for JWT but does not verify the caller’s role. This allows any authenticated user with role=user to delete other users (including admins) by specifying a user_id, or to create new accounts with role=admin, effectively escalating to f...

CVE-2026-40070

BSV Ruby SDK is the Ruby SDK for the BSV blockchain. From 0.3.1 to before 0.8.2, BSV::Wallet::WalletClientacquirecertificate persists certificate records to storage without verifying the certifier's signature over the certificate contents. In acquisitionprotocol: 'direct', the caller supplies all...