CVE-2026-122140

EUVD-2026-117094
Trawl 1.5.0 before 1.10.0 contains a server-side request forgery vulnerability that allows unauthenticated attackers to bypass the MCP outbound URL policy using IPv4-mapped IPv6 addresses. Attackers can supply hex-normalized addresses like ::ffff:7f00:1 directly or via redirects to fetch loopback, private, and cloud metadata services and read responses.
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.8 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/germondai/trawl/blob/v1.9.3/apps/api/src/outbound-policy.ts#L55-L56
https://github.com/germondai/trawl/commit/17cdb33a9a6a8200cf8f9fd6a57b295b04ee5173
https://github.com/germondai/trawl/pull/263
https://github.com/germondai/trawl/releases/tag/v1.10.0
https://github.com/germondai/trawl/security/advisories/GHSA-mj45-84p2-v77q
https://www.vulncheck.com/advisories/trawl-1.5.0-before-1.10.0-ssrf-via-ipv4-mapped-ipv6-mcp-policy-bypass