Medium severity5.8NVD Advisory· Published Nov 4, 2026
CVE-2026-122140
CVE-2026-122140
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.
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Affected products
1Patches
Vulnerability mechanics
References
6- github.com/germondai/trawl/blob/v1.9.3/apps/api/src/outbound-policy.tsnvd
- github.com/germondai/trawl/commit/17cdb33a9a6a8200cf8f9fd6a57b295b04ee5173nvd
- github.com/germondai/trawl/pull/263nvd
- github.com/germondai/trawl/releases/tag/v1.10.0nvd
- github.com/germondai/trawl/security/advisories/GHSA-mj45-84p2-v77qnvd
- www.vulncheck.com/advisories/trawl-1.5.0-before-1.10.0-ssrf-via-ipv4-mapped-ipv6-mcp-policy-bypassnvd
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