CVE-2026-73465 On affected platforms running Arista EOS, under certain circumstances plaintext private keys

On affected platforms running Arista EOS, under certain circumstances plaintext private keys may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already...

EUVD-2026-79023

On affected platforms running Arista EOS, under certain circumstances plaintext private keys may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already...

CVE-2026-73465

CVE-2026-73465 is a CWE-532 (Insertion of Sensitive Information into Log File) vulnerability in Arista EOS . When MgmtSecuritySslCertKey trace levels 0, 3, and/or 4 are enabled on the ConfigAgent agent, plaintext RSA and EC private keys may be written to /var/log/agents/ConfigAgent-* log files. E...

CVE-2026-73465 On affected platforms running Arista EOS, under certain circumstances plaintext private keys

On affected platforms running Arista EOS, under certain circumstances plaintext private keys may be written in clear text to log files during operations when specialized non-standard debugging trace levels are explicitly enabled. To exploit these vulnerabilities, a malicious actor must already...

CVE-2026-19641 On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhaust available authentication resources, resulting in legit

On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhaust available authentication resources, resulting in legitimate users being unable to log in to the...

CVE-2026-19641

CVE-2026-19641 affects Arista EOS devices where password-based login authentication is enabled (e.g., SSH password or Telnet). Due to CWE-116 (Improper Encoding or Escaping) , a specially crafted password can create orphan authentication sessions that accumulate in a limited session pool, eventua...

CVE-2026-19641 On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhaust available authentication resources, resulting in legit

On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhaust available authentication resources, resulting in legitimate users being unable to log in to the...

EUVD-2026-79141

On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhaust available authentication resources, resulting in legitimate users being unable to log in to the...

CVE-2026-73451 On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces (SVI) in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can

On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces SVI in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can cause security ACLs on shared SVIs to stop...

CVE-2026-73451

Arista EOS on 755 Series and 758 Series platforms is affected by an incorrect initialization issue (CWE-1419) in ingress Security ACLs configured on SVIs in shared mode. Restarting the secondary switchcard forwarding agent or inserting a secondary switchcard can cause these ACLs to stop functioni...

EUVD-2026-79140

On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces SVI in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can cause security ACLs on shared SVIs to stop...

CVE-2026-73451 On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces (SVI) in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can

On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces SVI in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can cause security ACLs on shared SVIs to stop...

EUVD-2026-78170

On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segment who induces a RADIUS packet through a configured RADIUS proxy client can prevent RADIUS dynami...

PT-2026-92188

On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces SVI in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can cause security ACLs on shared SVIs to stop...

PT-2026-92185

On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhaust available authentication resources, resulting in legitimate users being unable to log in to the...

CVE-2026-19655: Improper Input Validation

On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay/snooping configured with the information option Option 82, or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing...

PT-2026-93175

Name of the Vulnerable Software and Affected Versions Arista EOS affected versions not specified Description An unauthenticated attacker with network access can exploit a flaw in the Dynamic Host Configuration Protocol DHCP relay. By sending a crafted DHCP reply packet from an IP address not...

CVE-2026-73437: Insufficient Verification of Data Authenticity

On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from an IP address that is not configured as a helper address, and the relay agent would forward it to...

PT-2026-93224

On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event...

CVE-2026-73451: Incorrect Initialization of Resource

On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces SVI in shared mode, restarting of the secondary switchcard forwarding agent or insertion of secondary switchcard, can cause security ACLs on shared SVIs to stop...