CVE-2026-57026

An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS.If the SIP ALG is enabled on an affected device, the...

CVE-2026-57023

An Improper Validation of Specified Quantity in Input vulnerability in the TCP proxy plugin of Juniper Networks Junos OS on MX Series with SPC3, and SRX Series allows an unauthenticated, network-based attacker to cause a complete Denial of Service DoS. When TCP proxy is engaged in a flow session,...

CVE-2026-57021

An Out-of-bounds Write vulnerability in the http-gatekeeper http-gk of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX Series device is configured for remote-access VPN with pre-logon compliance check, a...

CVE-2026-57020

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on QFX10000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service DoS. On all QFX10000 platforms in an EVPN-VxLAN scenario, if an...

CVE-2026-57019

An Improper Validation of Specified Quantity in Input vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service DoS. When a specific packet is received from device in the same broadcast...

CVE-2026-33803

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device. Due to a wrong initialization, a process whi...

CVE-2026-33802

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series allows a local, authenticated attacker to cause a Denial-of-Service DoS. On EX2300, EX4000, EX4100, EX4300-MP Multigigabit and EX4400 switches, an authenticated, local attacker with no specific permissions ...

CVE-2026-33801

An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon RPD of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker sending a specific BGP update over an established BGP session to cause a Denial-of-Service DoS...

CVE-2026-33800

An Unchecked Input for Loop Condition vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS on MX Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service DoS.Micro-BFD session flaps generate respective up/down events which are queued by PFEMAN for...

CVE-2026-21901

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

CVE-2026-33794

An Improper Check for Unusual or Exceptional Conditions vulnerability in the advanced forwarding toolkit evo-aftmand of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated network-based attacker generating continuous routing updates, resulting in unilist ECMP routes, to cras...

CVE-2026-33799

An Out-of-bounds Write vulnerability in the SNMP daemon snmpd of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated network-based attacker sending specific valid SNMPv3 queries to trigger a memory leak. Over time, continuous receipt of these queries will result in snmpd proces...

CVE-2026-57054 Junos OS: MX Series: Web filtering doesn't block specifically formatted URLs

A Use of Incorrectly-Resolved Name or Reference vulnerability in the URL filtering plugin of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass web filtering and access downstream resources that should be unreachable. If an MX Series device is...

CVE-2026-57054

CVE-2026-57054 describes a Use of Incorrectly-Resolved Name or Reference vulnerability in the URL filtering plugin of Juniper Networks Junos OS on MX Series. The issue allows an unauthenticated, network-based attacker to bypass web filtering and access downstream resources that should be unreacha...

CVE-2026-57054

A Use of Incorrectly-Resolved Name or Reference vulnerability in the URL filtering plugin of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass web filtering and access downstream resources that should be unreachable. If an MX Series device is...

CVE-2026-57032

An Improper Handling of Undefined Parameters vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on EX Series devices allows an authenticated attacker with low privileges to cause a Denial-of-Service DoS. If an attempt is made to subscribe to an unsupported telemetry...

CVE-2026-57032 Junos OS: EX Series: Subscribing to an unsupported telemetry sensor path causes fxpc process crash

An Improper Handling of Undefined Parameters vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on EX Series devices allows an authenticated attacker with low privileges to cause a Denial-of-Service DoS. If an attempt is made to subscribe to an unsupported telemetry...

CVE-2026-57032

CVE-2026-57032 describes an improper handling of undefined parameters in the packet forwarding engine (pfe) of Juniper Networks Junos OS on EX Series devices. When attempting to subscribe to an unsupported telemetry sensor path on EX2300, EX3400, EX4000, EX4100, and EX4400 via gRPC, the Front Pan...

CVE-2026-57031 Junos OS: MX Series: For subscribers configured on static interfaces, input filters are not in effect

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters. On MX Series devices with MPC10/11, LC4800/9600, and MX304 with subscribers...

CVE-2026-57031

Summary of CVE-2026-57031 (Junos OS MX Series): A vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series devices allows adjacent subscribers configured on static interfaces to bypass ingress firewall filters, disabling both protocol-level and upstream bandwi...