CVE-2026-33785 Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CSDS scenario
Low-privileged users can execute restricted CLI commands in specific JDM/CSDS scenarios, leading to complete device compromise.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-33785?
CVE-2026-33785 is a medium-severity missing authorization vulnerability in Juniper Junos, published on 9 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on MX Series allows a local, authenticated user with low privileges to execute specific commands which will lead to a complete compromise of managed devices.
Any user logged in, without requiring specific privileges, can issue 'request csds' CLI operational commands. These commands are only meant to be executed by high privileged or users designated for Juniper Device Manager (JDM) / Connected Security Distributed Services (CSDS) operations as they will impact all aspects of the devices managed via the respective MX.
This issue affects Junos OS on MX Series:
* 24.4 releases before 24.4R2-S3, * 25.2 releases before 25.2R2.
This issue does not affect Junos OS releases before 24.4.
Weakness: CWE-862
Which versions are affected by CVE-2026-33785?
It affects 1 product.
Products include Juniper Junos.
How do I fix CVE-2026-33785?
No fix has been published for CVE-2026-33785 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-33785 being exploited?
There is no known exploitation of CVE-2026-33785 in the wild and no public exploit code.
Other vulnerabilities in Juniper Junos
- CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification
- CVE-2020-1631 Juniper Junos OS Path Traversal
- CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization
- CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function
- CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification
Sources
Also known as GHSA-m5fr-cwvv-7qff.