Paper/Archive/CVE-2026-110631

CVE-2026-110631

moghtech komodo — Komodo through 2.3.3 Periphery Agent Unauthenticated RCE via Default Configuration

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 58.5.585 × 2011.7 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

komodo≤ 2.3.3–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgithub.com/moghtech/komodo/issues/1690 writeupgithub.com/moghtech/komodo/blob/v2.3.3/bin/periphery/src/state.rs#L82-L88 writeupgithub.com/moghtech/komodo/blob/v2.3.3/bin/periphery/src/connection/server.rs writeupgithub.com/moghtech/komodo/blob/v2.3.3/config/periphery.config.toml writeupgithub.com/moghtech/komodo/blob/v1.19.5/bin/periphery/src/api/router.rs writeupravindulakmina.pages.dev/advisories/komodo-periphery-fail-open-rce writeupvulncheck.com/advisories/komodo-through-2.3.3-periphery-agent-unauthenticated-rce-via-default-configuration exploitravindulakmina.pages.dev/advisories/cve-2026-110631-komodo-periphery-fail-open-rce