CVE-2026-82957
hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 31, 2026
- Updated
- Sep 1, 2026
- Reserved
- Aug 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.3 High | 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 | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-918 Server-Side Request Forgery
Affected Products
| Product | Versions |
|---|---|
fireflyhyperledger-firefly |
|
References
- VDB-397306 | hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgeryvdb-entrytechnical-description
- VDB-397306 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-82957 | CVE Analysis and Reportthird-party-advisory
- Submit #879847 | Hyperledger Firefly 1.4.0 Server-Side Request Forgerythird-party-advisory
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