What’s Vulnerable › Vulnerabilities

CVE-2026-108115: Kortix Suna 0.10.7 before 0.13.52 SSRF Guard Bypass via IPv6 6to4 Addresses

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-16
• Weakness: CWE-918

Description

Kortix Suna 0.10.7 before 0.13.52 contains a server-side request forgery vulnerability that allows project managers to bypass the isPrivateIp guard by supplying IPv6 6to4 or Teredo addresses that embed private IPv4 destinations. Attackers holding project.connector.write can set connector base_url, OpenAPI, Postman, or MCP URLs to reach internal services and cloud metadata endpoints and read responses.

Affected products

• kortix-ai suna: from 0.10.7 before 0.13.52 — fixed in 0.13.52

How to fix

Upgrade to a fixed version: kortix-ai suna 0.13.52. Check the vendor advisory for mitigations.

References

• https://github.com/kortix-ai/suna
• https://github.com/kortix-ai/suna/blob/v0.13.45/apps/api/src/shared/ssrf-guard.ts#L98-L113
• https://github.com/kortix-ai/suna/commit/9c949e4d876cd5acf7b23b0a9ee49ca5c53f1332
• https://github.com/kortix-ai/suna/releases/tag/v0.13.52
• https://hackmd.io/@haind/suna-ssrf-6to4-guard-bypass
• https://www.vulncheck.com/advisories/kortix-suna-0.10.7-before-0.13.52-ssrf-guard-bypass-via-ipv6-6to4-addresses

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