HLF_TxTime_spoofing

HLFTxTimespoofing HLFTxTimespoofing - a PoC covering the problem of transaction time manipulation using GetTxTimestamp or GetHistoryForKey in the Hyperledger Fabric blockchain. Tested on v 2.5.5 and v3.0.0-beta The project consists of several parts: 1. timeinsecure - vulnerable chaincode variant...

CVE-2026-82957

SSRF in Hyperledger FireFly Webhook Subscriptions CVE-2026-82957 A proof-of-concept exploit for CVE-2026-82957, a Server-Side Request Forgery CWE-918 in Hyperledger FireFly Core's webhooks event transport. Any client that can create an event subscription can register a webhook whose target URL is...

Hyperledger FireFly Core 1.5.0 Server-Side Request Forgery

Hyperledger FireFly Core version 1.5.0 and prior versions with the webhooks event transport contain a server-side request forgery vulnerability. The proof of concept creates a webhook subscription with a supplied URL and broadcasts a message to trigger the FireFly node request...

Exploit for CVE-2026-82957

SSRF in Hyperledger FireFly Webhook Subscriptions CVE-2026-82...

hlf-time-oracle

hlf-time-oracle hlf-time-oracle è un chaincode per la blockchain Hyperledger Fabric che fornisce l'ora esatta ad altri chaincode. hlf-time-oracle si basa sul pacchetto ntp e sul pacchetto nts. Risolve così il problema di sicurezza associato alla possibile manipolazione del tempo di transazione da...

CVE-2026-53658

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

EUVD-2026-78835

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658 Fabric CA: LDAP Injection via Unescaped Username in GetUser Filter

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658 Fabric CA: LDAP Injection via Unescaped Username in GetUser Filter

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658 Fabric CA: LDAP Injection via Unescaped Username in GetUser Filter

Fabric CA is a Certificate Authority for Hyperledger Fabric. Prior to 1.5.21, when fabric-ca is configured with an LDAP backend, Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters...

CVE-2026-53658

CVE-2026-53658 affects Hyperledger Fabric CA prior to version 1.5.21 . When configured with an LDAP backend , the function Client.GetUser in lib/server/ldap/client.go inserts the username from HTTP Basic authentication into the LDAP uid search UserFilter without escaping LDAP metacharacters . An ...

Security Bulletin: IBM® Db2® federated server is affected by a vulnerability in fabric-sdk-java (CVE-2026-41586)

Summary IBM® Db2® federated server is affected by a vulnerability in fabric-sdk-java Vulnerability Details CVEID:CVE-2026-41586 DESCRIPTION: Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. From versions 1.0.0 to 2.2.26...

EUVD-2026-68910

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery...

CVE-2026-82957

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery...

CVE-2026-82957 hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery...

CVE-2026-82957

CVE-2026-82957 is a server-side request forgery (SSRF) in hyperledger-firefly up to version 1.4.0. The flaw resides in the ValidateOptions function within internal/events/webhooks/webhooks.go of the Webhook Subscription component. Manipulating the url argument allows a remote, unauthenticated att...

CVE-2026-82957 hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery...

CVE-2026-82957

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery...

PT-2026-84053

Name of the Vulnerable Software and Affected Versions hyperledger-firefly versions prior to 1.4.1 Description A server-side request forgery SSRF exists within the Webhook Subscription component. This occurs when the url argument is manipulated in the ValidateOptions function located in the...

CVE-2026-82957: Server-Side Request Forgery (SSRF)

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery...