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.
Published: 2026-11-04
Score: 6.3 Medium
EPSS: n/a
KEV: No
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Remediation

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Advisories

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History

Wed, 04 Nov 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title Trawl 1.5.0 before 1.10.0 SSRF via IPv4-mapped IPv6 MCP Policy Bypass
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 5.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N'}

cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-04T20:36:57.196Z

Reserved: 2026-11-04T18:13:13.906Z

Link: CVE-2026-122140

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-04T21:18:10.370

Modified: 2026-11-04T21:18:10.370

Link: CVE-2026-122140

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-918

    Server-Side Request Forgery (SSRF)