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Advisory record · GHSA-chwm-m7g7-685g

Dragonfly scheduler v1 and v2 gRPC unauthenticated SSRF via attacker-controlled PeerHost in DownloadTinyFile

CVSS 5.5 MediumEPSS 0.0080 · 57th percentile

Published by the GitHub Advisory Database at 6 Jul 2026, 20:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
d7y.io/dragonfly/v2Go<2.4.4-rc.32.4.4-rc.3
Identifiers
GHSA-chwm-m7g7-685g · CVE-2026-54637 · GO-2026-5910
Weakness (CWE)
CWE-918
Tags
Published
6 Jul 2026
Updated
7 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Dragonfly scheduler (Go module d7y.io/dragonfly/v2) versions before 2.4.4-rc.3 are vulnerable to a server-side request forgery in the v1 gRPC service. An unauthenticated remote client can supply a peer host address and port, causing the scheduler to make HTTP requests to internal addresses such as loopback or link-local, and the response can be served to other peers. Upgrade to 2.4.4-rc.3 or later. The source gives no workaround.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.5 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0080, the 57th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:05 UTC First seen by agentprime
  2. 31 Oct 2026, 15:05 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.