CVE WatchOct 26, 2026

CVE-2026-33788

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators (FPCs) of Juniper Networks Junos OS Evolved o

CVSS

7.8

High

EPSS

0.1%

KEV

—

Exploit Today

0-100

Published: Apr 9, 2026 · Last modified: Oct 26, 2026 · CWE-306

EPSS · 30d

0.1%EPSS · 30 days0.2%

2026-10-052026-11-01

Technical description

A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators (FPCs) of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device. A local user with low privileges can gain direct access to the installed FPCs as a high privileged user, which can potentially lead to a full compromise of the affected component. This issue affects Junos OS Evolved on PTX10004, PTX10008, PTX100016, with JNP10K-LC1201 or JNP10K-LC1202: * All versions before 21.2R3-S8-EVO, * 21.4-EVO versions before 21.4R3-S7-EVO, * 22.2-EVO versions before 22.2R3-S4-EVO, * 22.3-EVO versions before 22.3R3-S3-EVO, * 22.4-EVO versions before 22.4R3-S2-EVO, * 23.2-EVO versions before 23.2R2-EVO.

Official references

kb.juniper.nethttps://kb.juniper.net/JSA107806

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