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TI-2025-36911 Aliases CVE-2025-59350GHSA-c2fc-9q9c-5486

Timing attacks against Proxy’s basic authentication are possible

Priority LOW 20CWE-208Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-208.

Summary

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the access control mechanism for the Proxy feature uses simple string comparisons and is therefore vulnerable to timing attacks. An attacker may try to guess the password one character at a time by sending all possible characters to a vulnerable mechanism and measuring the comparison instruction’s execution times. This vulnerability is fixed in 2.1.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00338 27th percentileScored 2026-11-07
Fix Fixed dragonfly (dragonflyoss): 2.1.0github.com/dragonflyoss/dragonfly (Go): 2.1.0+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
backstagedragonflybefore 2.1.02.1.0Patch availableCNA
—github.com/dragonflyoss/dragonfly (Go)before 2.1.02.1.0Patch availableGHSA-c2fc-9q9c-5486
—d7y.io/dragonfly/v2 (Go)before 2.1.02.1.0Patch availableGHSA-c2fc-9q9c-5486
  • dragonfly Vendorbackstage Affected before 2.1.0 Fixed in 2.1.0 Patch available CNA
  • github.com/dragonflyoss/dragonfly (Go) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-c2fc-9q9c-5486
  • d7y.io/dragonfly/v2 (Go) Vendor— Affected before 2.1.0 Fixed in 2.1.0 Patch available GHSA-c2fc-9q9c-5486

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:linuxfoundation:dragonfly:*:*:*:*:*:go:*:*before 2.1.0Vulnerablebackstage
  • cpe:2.3:a:linuxfoundation:dragonfly:*:*:*:*:*:go:*:* Versions before 2.1.0 Vulnerable ·backstage

Remediation

  • Fix · CNA dragonfly (dragonflyoss) Fixed in 2.1.0
  • Fix · GHSA-c2fc-9q9c-5486 github.com/dragonflyoss/dragonfly (Go) Fixed in 2.1.0 Advisory →
  • Fix · GHSA-c2fc-9q9c-5486 d7y.io/dragonfly/v2 (Go) Fixed in 2.1.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-59350
  2. 2026-10-03 Alias added: GHSA-c2fc-9q9c-5486

References

Patch 1

Advisory 1

Other 3

  • TI-2023-12294 Dragonfly2 vulnerable to hard coded cyptographic key CVSS 3.1CRITICAL 9.8
  • TI-2025-36909 Dragonfly incorrectly handles a task structure’s usedTraffic field CVSS 4.0MEDIUM 5.5
  • TI-2025-36907 Dragonfly server-side request forgery vulnerability CVSS 4.0MEDIUM 5.5
  • TI-2025-36908 Dragonfly Manager makes requests to external endpoints with disabled TLS authentication CVSS 4.0LOW 2.7
  • TI-2026-19442 Dragonfly Manager Job API Allows Unauthenticated Access CVSS 4.0HIGH 8.9
  • TI-2025-36906 Dragonfly did not enable authentication for some Manager’s endpoints CVSS 4.0HIGH 7.7
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences