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High · 7.3 Public exploit CVE-2026-82957 EUVD-2026-68910GHSA-wq27-c6xr-6c38

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

Published Aug 31, 2026 · Updated Sep 1, 2026 · Assigned by VulDB

Vendor: hyperledger-firefly Product: firefly

Description

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. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

VendorProductAffectedFixed
hyperledger-firefly firefly 1.0, 1.1, 1.2, 1.3, 1.4.0 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References