CVE-2026-82957

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

HIGH
7.3
CVSS Score
Published: August 31, 2026 at 10:00 PM UTC
Updated: September 1, 2026 at 09:01 PM UTC
2 products affected across 2 vendorsFireflyFireFly

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397306
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397306/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82957
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/879847

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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