CVE-2026-33783

Junos OS Evolved on PTX Series is affected when SRTE policy tunnels are provisioned via PCEP and gRPC is used to monitor traffic; evo-aftmand crashes and requires manual restart, causing persistent DoS. The issue occurs only if the Originator ASN field in PCEP exceeds 65,535 (32-bit ASN). Affecte...

CVE-2026-33778

CVE-2026-33778 affects Junos OS on SRX Series and MX Series. The vulnerability is in the IPsec library used by kmd/iked, where processing a specifically malformed first ISAKMP packet can cause the kmd/iked process to crash and restart. This results in a momentary inability to establish new securi...

CVE-2026-33778 Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is received kmd/iked crashes

An Improper Validation of Syntactic Correctness of Input vulnerability in the IPsec library used by kmd and iked of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service DoS. If an affected device receives a...

CVE-2026-33776

CVE-2026-33776 affects Juniper Networks Junos OS and Junos OS Evolved. A Missing Authorization flaw in the CLI allows a local, low-privilege user to read sensitive information by executing the command 'show mgd' with specific arguments. Affected Junos OS versions include all before 22.4R3-S8, 23....

CVE-2026-33776 Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

CVE-2026-33774 Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance 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 an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device. On MX platform...

CVE-2026-33774 Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance 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 an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device. On MX platform...

CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33797

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33779 Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communication

An Improper Following of a Certificate's Chain of Trust vulnerability in J-Web of Juniper Networks Junos OS on SRX Series allows a PITM to intercept the communication of the device and get access to confidential information and potentially modify it. When an SRX device is provisioned to connect t...

CVE-2026-33779 Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communication

An Improper Following of a Certificate's Chain of Trust vulnerability in J-Web of Juniper Networks Junos OS on SRX Series allows a PITM to intercept the communication of the device and get access to confidential information and potentially modify it. When an SRX device is provisioned to connect t...

CVE-2026-33782 Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously with subscriber logouts

A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon jdhcpd of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service DoS. In a DHCPv6 over PPPoE, or DHCP...

CVE-2026-33780 Junos OS and Junos OS Evolved: In an EVPN-MPLS scenario churn of ESI routes causes a memory leak in l2ald

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33780 Junos OS and Junos OS Evolved: In an EVPN-MPLS scenario churn of ESI routes causes a memory leak in l2ald

A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon l2ald of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service DoS. In an EVPN-MPLS...

CVE-2026-33773 Junos OS: EX Series, QFX Series: If the same egress filter is configured on both an IRB and a physical interface one of those is not applied

An Incorrect Initialization of Resource vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX Series and QFX Series device allows an unauthenticated, network-based attacker to cause an integrity impact to downstream networks. When the same family inet or...

CVE-2026-33786 Junos OS: SRX1600, SRX2300, SRX4300: When a specific show command is executed chassisd crashes

An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon chassisd of Juniper Networks Junos OS on SRX1600, SRX2300 and SRX4300 allows a local attacker with low privileges to cause a complete Denial of Service DoS. When a specific 'show chassis' CLI comma...

CVE-2026-21916

A UNIX Symbolic Link Symlink Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system. When after a user has performed a specific 'file lin...

CVE-2026-21916 Junos OS: A low privileged user can escalate their privileges so that they can login as root

A UNIX Symbolic Link Symlink Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system. When after a user has performed a specific 'file lin...

CVE-2026-21916

CVE-2026-21916 is a local privilege-escalation vulnerability in Juniper Networks Junos OS CLI via UNIX Symlink Following. It permits a low-privilege, authenticated attacker to escalate to root after performing a specific file link CLI operation and later when another user commits unrelated config...

CVE-2026-21916 Junos OS: A low privileged user can escalate their privileges so that they can login as root

A UNIX Symbolic Link Symlink Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system. When after a user has performed a specific 'file lin...