SSRF in Germondai Trawl
CVE-2026-122140
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
The 30-day trend appears once there are two daily scores.
Affected products
Weakness classification (CWE)
References
- github.com/germondai/trawl/blob/v1.9.3/apps/api/src/outbound-policy.ts (technical-description)
- github.com/germondai/trawl/commit/17cdb33a9a6a8200cf8f9fd6a57b295b04ee5173 (patch)
- github.com/germondai/trawl/pull/263 (issue-tracking, patch)
- github.com/germondai/trawl/releases/tag/v1.10.0 (release-notes)
- github.com/germondai/trawl/security/advisories/GHSA-mj45-84p2-v77q (vendor-advisory)
- www.vulncheck.com/advisories/trawl-1.5.0-before-1.10.0-ssrf-via-ipv4-mapped-ipv… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-122140?
- CVE-2026-122140 is a medium-severity vulnerability in Germondai Trawl, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-11-04.
- How severe is CVE-2026-122140?
- Medium severity. CVSS v3 base score is 5.8 out of 10.