CVE-2026-122140
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 6.3 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-918 · Server-side request forgery
- Record status
- Received
Attack profile CVSS 4.0 · 6.3
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- Present
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Raw 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-122140.md and follow it. Check whether this project is affected by CVE-2026-122140. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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
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