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CVE-2026-82957— hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery

Quick assessment

Affected
hyperledger-firefly firefly
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Hyperledger Firefly 1.4.0 及更早版本中发现了一个漏洞。受影响的是 文件中 Webhook 订阅组件里 函数。对参数 进行操纵可导致服务端请求伪造（SSRF）。该漏洞可被远程利用。利用方式已公开，可能已被使用。供应商在披露初期已被联系，但当时未做出任何回应。

CVSS 7.3 · High
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I. Basic Information for CVE-2026-82957

Vulnerability Information
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Vulnerability Title
hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
hyperledger-firefly firefly 1.0 cpe:2.3:a:firefly:firefly:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82957

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III. Intelligence Information for CVE-2026-82957

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Vendor Advisories for CVE-2026-82957 (1)

Other References for CVE-2026-82957 (2)

IV. Related Vulnerabilities

Same weakness: CWE-918

V. Comments for CVE-2026-82957

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