Description
Flyto2 Core before 2.28.0 contains a server-side request forgery guard bypass vulnerability that allows attackers to reach internal services by supplying URLs using the unblocked IPv6 address `::` which the kernel routes to loopback identically to `0.0.0.0`. Attackers can submit requests or trigger 302 redirects to ` to bypass the private IP range and blocked hostname checks in `is_private_ip()`, reaching services bound to IPv6 loopback across the `http.get`, `http.request`, and `http.batch` modules.
Published: 2026-08-13
Score: 6.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 13 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Flytohub
Flytohub flyto-core
Vendors & Products Flytohub
Flytohub flyto-core

Thu, 13 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 13 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Description Flyto2 Core before 2.28.0 contains a server-side request forgery guard bypass vulnerability that allows attackers to reach internal services by supplying URLs using the unblocked IPv6 address `::` which the kernel routes to loopback identically to `0.0.0.0`. Attackers can submit requests or trigger 302 redirects to ` to bypass the private IP range and blocked hostname checks in `is_private_ip()`, reaching services bound to IPv6 loopback across the `http.get`, `http.request`, and `http.batch` modules.
Title Flyto2 Core < 2.28.0 SSRF Guard Bypass via is_private_ip()
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N'}


Subscriptions

Flytohub Flyto-core
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-13T19:32:29.098Z

Reserved: 2026-08-12T19:29:19.866Z

Link: CVE-2026-73530

cve-icon Vulnrichment

Updated: 2026-08-13T19:31:48.529Z

cve-icon NVD

Status : Received

Published: 2026-08-13T20:17:29.590

Modified: 2026-08-13T20:17:29.590

Link: CVE-2026-73530

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-13T21:00:06Z

Weaknesses
  • CWE-918

    Server-Side Request Forgery (SSRF)