CVE-2026-82957: hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery
Published Aug 31, 2026
·Updated
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 Software
1 affected component
hyperledger-firefly/firefly<=1.4.0
Event History
Aug 31, 2026
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Does exploitation require authentication or user interaction?
No. The CVSS vector indicates network access, low attack complexity, no privileges required, and no user interaction.
2
What impact can successful exploitation have?
The CVSS vector rates confidentiality, integrity, and availability impact as low. The overall severity is high with a CVSS score of 7.3.