What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-31 · updated 2026-09-01
• Weakness: CWE-918

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 products

• hyperledger-firefly firefly: 1.0, 1.1, 1.2, 1.3, 1.4.0

References

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

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