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CVE-2026-73530 Details

UNDERGOING ENRICHMENT

The CVE is currently being enriched by the Volerion team. The enrichment process results in the association of reference link tags, CVSS, and CPE applicability statement data.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:…Vector:This vulnerability is currently being analyzed.

CNA: [email protected]CVSS-B:7.7 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/flytohub/flyto-core/security/advisories/GHSA-gc4h-hj7x-gp5p	CISA-ADP
https://github.com/flytohub/flyto-core/releases/tag/v2.28.0	[email protected]
https://github.com/flytohub/flyto-core/security/advisories/GHSA-gc4h-hj7x-gp5p	[email protected]
https://www.vulncheck.com/advisories/flyto2-core-ssrf-guard-bypass-via-is-private-ip	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

This vulnerability is currently being analyzed

Change History

2 change records found show changes

Date	Action	Recorded By
Aug 13, 2026	New CVE Received	[email protected]
Aug 13, 2026	CVE Modified	CISA-ADP