{"id":"CVE-2026-110631","published":"2026-10-14T15:17:15.983","lastModified":"2026-10-14T16:17:41.960","description":"Komodo through 2.3.3 contains an authentication bypass vulnerability in the Periphery agent that allows unauthenticated attackers to connect as a trusted Core because empty core_public_keys and passkeys lists fail open by default. Attackers reaching port 8120 can present any generated keypair to issue Periphery API requests, including terminal sessions and container operations, executing commands on managed hosts typically as root.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-1188"],"vendors":[],"products":[],"references":[{"url":"https://github.com/moghtech/komodo/blob/v1.19.5/bin/periphery/src/api/router.rs","tags":[]},{"url":"https://github.com/moghtech/komodo/blob/v2.3.3/bin/periphery/src/connection/server.rs","tags":[]},{"url":"https://github.com/moghtech/komodo/blob/v2.3.3/bin/periphery/src/state.rs#L82-L88","tags":[]},{"url":"https://github.com/moghtech/komodo/blob/v2.3.3/config/periphery.config.toml","tags":[]},{"url":"https://github.com/moghtech/komodo/issues/1690","tags":[]},{"url":"https://ravindulakmina.pages.dev/advisories/komodo-periphery-fail-open-rce/","tags":[]},{"url":"https://www.vulncheck.com/advisories/komodo-through-2.3.3-periphery-agent-unauthenticated-rce-via-default-configuration","tags":[]}],"exploitRefs":[{"url":"https://github.com/moghtech/komodo/blob/v1.19.5/bin/periphery/src/api/router.rs","tags":[]},{"url":"https://github.com/moghtech/komodo/blob/v2.3.3/bin/periphery/src/connection/server.rs","tags":[]},{"url":"https://github.com/moghtech/komodo/blob/v2.3.3/bin/periphery/src/state.rs#L82-L88","tags":[]},{"url":"https://github.com/moghtech/komodo/blob/v2.3.3/config/periphery.config.toml","tags":[]},{"url":"https://github.com/moghtech/komodo/issues/1690","tags":[]}],"hasPoc":true,"ai":{"summary":"Komodo's Periphery agent has a critical authentication bypass flaw where empty core public keys and passkeys lists cause the system to accept any keypair, allowing unauthenticated attackers to impersonate trusted Core components and execute commands as root on managed hosts.","exploitability":"Very easy to exploit with no prerequisites - attackers only need to reach port 8120 and present any generated keypair to gain full Periphery API access including terminal sessions and container operations.","blast_radius":"High impact across all managed hosts that are accessible through the vulnerable Periphery agent, potentially allowing complete compromise of the entire infrastructure as root privileges are typically used for container operations and system commands.","remediation":"Upgrade to Komodo 2.3.4 or later to fix the authentication bypass vulnerability in the Periphery agent.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","remote-code-execution","container","api"],"model":"garnet-coder","analyzedAt":"2026-10-15T08:48:17.911Z"}}