CVE-2026-125115GHSA-vg6v-j97m-h5xq
validateUrlSsrf permits CGNAT (100.64.0.0/10) destinations — affects Workflow HTTP request step + Webhook filter conditionNovu provides an API for sending notifications through multiple channels. Prior to 3.17.0, validateUrlSsrf in libs/application-generic/src/utils/ssrf-url-validation.ts uses the isPrivateIp deny-list without covering the RFC6598 100.64.0.0/10 shared address space or its IPv4-mapped IPv6 forms. The workflow HTTP request step and webhook filter condition can therefore send server-side requests when a configured literal address or resolved hostname falls in that range. In Alibaba Cloud, 100.100.100.200 may expose instance metadata, while self-hosted and multi-tenant deployments may expose provider-internal services, private infrastructure, service meshes, or VPN resources reachable through CGNAT addressing. This issue is fixed in version 3.17.0.
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| Product | Affected versions | Fixed in | Source |
|---|---|---|---|
| @novu/application-genericnpm | < 3.17.0 | 3.17.0 | GitHub |
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First seen by Baba Yaga Security