CVE-2026-57031

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-2026-57022

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on MX with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device initiates a TCP...

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-2026-57019

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-2026-59833 SiYuan: Stored XSS to RCE in SiYuan via a per-attribute URL-scheme sanitizer gap in Lute (form action / SVG xlink:href)

SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, SiYuan renders note and package content to HTML through the Lute engine with sanitization enabled, but Lute's dangerous javascript scheme block does not check form action or SVG xlink:href attributes, allowing stored...

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-2026-57032

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-2026-57030 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-2026-57027

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-2026-57023

The CVE concerns Juniper Junos OS on MX Series with SPC3 and SRX Series where a TCP proxy plugin can crash the flowd daemon via a specifically malformed TCP header during a flow session (to support ALGs/Advanced Anti‑Malware/ICAP/UTM). This is caused by improper validation of a specified quantity...

CVE-2026-57023 Junos OS: MX with SPC3, SRX Series: A specifically malformed TCP packet causes a flowd crash

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-2026-57022

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on MX with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. When an affected device initiates a TCP...

CVE-2026-57021 Junos OS: SRX Series: If VPN compliance-check is configured an attacker can cause http-gk process crash

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-2026-57021

The CVE-2026-57021 entry describes an Out-of-bounds Write vulnerability in the http-gatekeeper (http-gk) component of Juniper Networks Junos OS on SRX Series. A network-based, unauthenticated attacker can trigger the flaw by sending specially formatted requests when remote-access VPN with pre-log...

CVE-2026-57020 Junos OS: QFX10000 Series: IPv6 multicast traffic received on non-IRB interfaces causes a multicast flood

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

CVE-2026-57019 affects Junos OS on MX Series. An issue in the Packet Forwarding Engine (pfe) due to improper validation of a specified quantity in input can allow an unauthenticated adjacent attacker to cause a Denial-of-Service by triggering an FPC major error and a reset, impacting traffic unti...

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-2026-33802

Summary: CVE-2026-33802 is a Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series switches (EX2300, EX4000, EX4100, EX4300-MP, EX4400) that allows a locally authenticated attacker with no specific permissions to execute a privileged CLI command and trigger a Do...