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Dragonfly's manager makes requests to external endpoints with disabled TLS authenticationGHSA-98x5-jw98-6c97

GHSA-98x5-jw98-6c97 is a CWE-295 vulnerability in github.com/dragonflyoss/dragonfly. A fix is available for github.com/dragonflyoss/dragonfly — see the affected versions and patch details below.

Also known asCVE-2025-59347GO-2025-3966
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.

Exploitation and automatability from CISA’s SSVC triage for GHSA-98x5-jw98-6c97.

EPSS Exploitation Probability

via FIRST.org ↗
0.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs6th percentile — riskier than 6% of all scored CVEsHighest risk
0.00%0.22%0.45%0.67%0.0%0.2%0.2%0.2%0.2%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

2 pkgs affected
🐹github.com/dragonflyoss/dragonfly🐹d7y.io/dragonfly/v2

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Impact

The Manager disables TLS certificate verification in two HTTP clients (figures 3.1 and 3.2). The clients are not configurable, so users have no way to re-enable the verification.

func getAuthToken(ctx context.Context, header http.Header) (string, error) { [skipped]
       client := &http.Client{
             Timeout: defaultHTTPRequesttimeout,
             Transport: &http.Transport{
                    TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
             },
}
[skipped]
}

A Manager processes dozens of preheat jobs. An adversary performs a network-level Man-in-the-Middle attack, providing invalid data to the Manager. The Manager preheats with the wrong data, which later causes a denial of service and file integrity problems.

Patches

  • Dragonfy v2.1.0 and above.

Workarounds

There are no effective workarounds, beyond upgrading.

References

A third party security audit was performed by Trail of Bits, you can see the full report.

If you have any questions or comments about this advisory, please email us at [email protected].

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/dragonflyoss/dragonflyall versions2.1.0go get github.com/dragonflyoss/dragonfly@v2.1.0
🐹God7y.io/dragonfly/v2all versions2.1.0go get d7y.io/dragonfly/v2@v2.1.0

Affected Products

1 product · 1 configurations
Application
dragonflylinuxfoundation
< 2.1.0
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/dragonflyoss/dragonfly, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update github.com/dragonflyoss/dragonfly to 2.1.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-98x5-jw98-6c97 is resolved across your whole dependency graph.

  3. Workarounds

    Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Frequently Asked Questions

### Impact The Manager disables TLS certificate verification in two HTTP clients (figures 3.1 and 3.2). The clients are not configurable, so users have no way to re-enable the verification. ```golang func getAuthToken(ctx context.Context, header http.Header) (string, error) { [skipped] client := &http.Client{ Timeout: defaultHTTPRequesttimeout, Transport: &http.Transport{ TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, }, } [skipped] } ``` A Manager processes dozens of preheat jobs. An adversary performs a network-lev
O3 Security · Impact-Aware SCA

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