CVE-2026-82957: medium-severity vulnerability in hyperledger-firefly firefly
hyperledger-firefly Webhook Subscription webhooks.go ValidateOptions server-side request forgery
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.5%
from disclosure to weapon43 days
Published on NVDAug 31
1st PoC+43d
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.
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
Affected products
hyperledger-firefly · fireflypublic PoCs found — 1
githubgithub.com/hakaioffsec/CVE-2026-82957★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.