SSRF in Hyperledger-Firefly Firefly
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. 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.
Vulnerability class: SSRF (Server-Side Request Forgery)
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Hyperledger-firefly Firefly — versions 1.0, 1.1, 1.2
Weakness classification (CWE)
References
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-82957?
- CVE-2026-82957 is a high-severity vulnerability in Hyperledger-Firefly Firefly, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-08-31.
- How severe is CVE-2026-82957?
- High severity. CVSS v3 base score is 7.3 out of 10.