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-2026-33794

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-2026-57054

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 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

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 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-2026-57032

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-2026-57031 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...

CVE-2026-57030 Junos OS: SRX Series: Flow sessions are not getting cleared leading to a DoS

A Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. As part of the stateful...

CVE-2026-57030

A Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. As part of the stateful...

CVE-2026-57029 Junos OS Evolved: QFX Series: When sFlow collector reachability changes evo-pfemand process can crash

A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to cause a Denial-of-Service DoS. When the reachability of an sFlow collector changes, the corresponding next-hop entry is...

CVE-2026-57029

CVE-2026-57029 describes a missing synchronization vulnerability in the flow collector handler of Junos OS Evolved on QFX Series. When the reachability of an sFlow collector changes, updating the next-hop entry can race with the sFlow thread accessing the same data, causing the evo-pfemand proces...

CVE-2026-57029

A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to cause a Denial-of-Service DoS. When the reachability of an sFlow collector changes, the corresponding next-hop entry is...

CVE-2026-57027

CVE-2026-57027 affects Juniper Networks Junos OS on EX4100 and EX4400 in sFlow VC deployments. When multicast traffic is exchanged between VC members, a memory leak in the packet forwarding engine (pfe) can cause an FPC crash and restart, leading to DoS for unauthenticated adjacent attackers. Aff...

CVE-2026-57027 Junos OS: EX4100 Series, EX4400: With sFlow configured in a VC scenario multicast traffic leads to an FPC crash

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series devices allows an unauthenticated adjacent attacker to cause a Denial-of-Service DoS.When sFlow is configured in a Virtual Chassis VC scenario...

CVE-2026-57027

A Missing Release of Memory after Effective Lifetime vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series devices allows an unauthenticated adjacent attacker to cause a Denial-of-Service DoS.When sFlow is configured in a Virtual Chassis VC scenario...

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-2026-57026 Junos OS: MX Series with SPC3, SRX Series: Processing of a specifically malformed SIP invite causes a flowd crash

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...