CVE-2026-82957

HIGH 7.3

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

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	hyperledger-firefly
Product	firefly
Published	Aug 31, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

hyperledger-firefly / firefly

1.0 1.1 1.2 1.3 1.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/397306 vuldb.com: https://vuldb.com/vuln/397306/cti vuldb.com: https://vuldb.com/cve/CVE-2026-82957 vuldb.com: https://vuldb.com/submit/879847

Credits

🔍 Gabriel Alves (VulDB User) VulDB CNA Team