# Juniper Junos Os Evolved vulnerabilities

Source: https://junglewise.ai/threats/technologies/juniper-junos-os-evolved  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/juniper-junos-os-evolved.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in Juniper Junos Os Evolved: 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-101986, was published on 14 October 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 critical against 0.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 8 (1 critical, 0 exploited in the wild)

## About Juniper Junos Os Evolved

Juniper routing and switching operating system.

## Latest Juniper Junos Os Evolved vulnerabilities

- [CVE-2026-101986: Juniper Networks Junos OS authentication bypass in J-Web](https://junglewise.ai/threats/cve-2026-101986-an-improper-authentication-vulnerability-in-j-web-of-juniper) (critical, CVSS 9.8, published 14 Oct 2026)
- [CVE-2026-33797: An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an…](https://junglewise.ai/threats/cve-2026-33797-an-improper-input-validation-vulnerability-in-juniper-networks) (high, CVSS 7.4, published 9 Apr 2026)
- [CVE-2026-33793: An Execution with Unnecessary Privileges vulnerability in the User Interface (UI) of Juniper Networks Junos OS and…](https://junglewise.ai/threats/cve-2026-33793-an-execution-with-unnecessary-privileges-vulnerability-in-the) (high, CVSS 7.8, published 9 Apr 2026)
- [CVE-2026-33791: An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a…](https://junglewise.ai/threats/cve-2026-33791-an-os-command-injection-vulnerability-in-the-cli-processing-of) (medium, CVSS 6.7, published 9 Apr 2026)
- [CVE-2026-33783: A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS…](https://junglewise.ai/threats/cve-2026-33783-a-function-call-with-incorrect-argument-type-vulnerability-in-the) (medium, CVSS 6.5, published 9 Apr 2026)
- [CVE-2026-33780: A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon (l2ald) of…](https://junglewise.ai/threats/cve-2026-33780-a-missing-release-of-memory-after-effective-lifetime) (medium, CVSS 6.5, published 9 Apr 2026)
- [CVE-2026-33776: A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user…](https://junglewise.ai/threats/cve-2026-33776-a-missing-authorization-vulnerability-in-the-cli-of-juniper) (medium, CVSS 5.5, published 9 Apr 2026)
- [CVE-2026-21919: An Incorrect Synchronization vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS…](https://junglewise.ai/threats/cve-2026-21919-an-incorrect-synchronization-vulnerability-in-the-management) (medium, CVSS 6.5, published 9 Apr 2026)

## Most severe Juniper Junos Os Evolved vulnerabilities

- [CVE-2026-101986: Juniper Networks Junos OS authentication bypass in J-Web](https://junglewise.ai/threats/cve-2026-101986-an-improper-authentication-vulnerability-in-j-web-of-juniper) (critical, CVSS 9.8, published 14 Oct 2026)
- [CVE-2026-33793: An Execution with Unnecessary Privileges vulnerability in the User Interface (UI) of Juniper Networks Junos OS and…](https://junglewise.ai/threats/cve-2026-33793-an-execution-with-unnecessary-privileges-vulnerability-in-the) (high, CVSS 7.8, published 9 Apr 2026)
- [CVE-2026-33797: An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an…](https://junglewise.ai/threats/cve-2026-33797-an-improper-input-validation-vulnerability-in-juniper-networks) (high, CVSS 7.4, published 9 Apr 2026)
- [CVE-2026-33791: An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a…](https://junglewise.ai/threats/cve-2026-33791-an-os-command-injection-vulnerability-in-the-cli-processing-of) (medium, CVSS 6.7, published 9 Apr 2026)
- [CVE-2026-33783: A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS…](https://junglewise.ai/threats/cve-2026-33783-a-function-call-with-incorrect-argument-type-vulnerability-in-the) (medium, CVSS 6.5, published 9 Apr 2026)
- [CVE-2026-21919: An Incorrect Synchronization vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS…](https://junglewise.ai/threats/cve-2026-21919-an-incorrect-synchronization-vulnerability-in-the-management) (medium, CVSS 6.5, published 9 Apr 2026)
- [CVE-2026-33780: A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon (l2ald) of…](https://junglewise.ai/threats/cve-2026-33780-a-missing-release-of-memory-after-effective-lifetime) (medium, CVSS 6.5, published 9 Apr 2026)
- [CVE-2026-33776: A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user…](https://junglewise.ai/threats/cve-2026-33776-a-missing-authorization-vulnerability-in-the-cli-of-juniper) (medium, CVSS 5.5, published 9 Apr 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before. 1 critical against 0.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 1 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Juniper technologies

- [Juniper Junos](https://junglewise.ai/threats/technologies/junos): 16 vulnerabilities
- [Juniper Junos OS](https://junglewise.ai/threats/technologies/junos-os): 7 vulnerabilities
- [Juniper Mx10004](https://junglewise.ai/threats/technologies/mx10004): 3 vulnerabilities
- [Juniper Mx10008](https://junglewise.ai/threats/technologies/mx10008): 3 vulnerabilities
- [Juniper Mx2008](https://junglewise.ai/threats/technologies/mx2008): 3 vulnerabilities
- [Juniper Mx2010](https://junglewise.ai/threats/technologies/mx2010): 3 vulnerabilities
- [Juniper Mx2020](https://junglewise.ai/threats/technologies/mx2020): 3 vulnerabilities
- [Juniper Mx204](https://junglewise.ai/threats/technologies/mx204): 3 vulnerabilities
- [Juniper Mx240](https://junglewise.ai/threats/technologies/mx240): 3 vulnerabilities
- [Juniper Mx301](https://junglewise.ai/threats/technologies/mx301): 3 vulnerabilities
- [Juniper Mx304](https://junglewise.ai/threats/technologies/mx304): 3 vulnerabilities
- [Juniper Mx480](https://junglewise.ai/threats/technologies/mx480): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Juniper Junos Os Evolved vulnerabilities", https://junglewise.ai/threats/technologies/juniper-junos-os-evolved, 9 November 2026.
