CVE-2026-122140
MEDIUM
NVD
CVSS Score
5.8
Severity
MEDIUM
Published
Nov 04, 2026
Vendor
unknown
Description
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.
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