{"id":"CVE-2026-108593","title":"9router 0.4.1 through 0.5.99 contains a configuration injection vulnerability in the POST /api/cli-tools/hermes-settings endpoint that allows authenticated dashboard users to inject arbitrary keys into the Hermes Agent config.yaml file","summary":"9router 0.4.1 through 0.5.99 contains a configuration injection vulnerability in the POST /api/cli-tools/hermes-settings endpoint that allows authenticated dashboard users to inject arbitrary keys into the Hermes Agent config.yaml file. …","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"published":"2026-10-10","updated":"2026-10-13","sourceUpdated":"2026-10-13T12:17:12.980","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108593","references":[{"url":"https://github.com/decolua/9router","label":"disclosure@vulncheck.com"},{"url":"https://github.com/decolua/9router/blob/a99cf57239ff778b61e434c2786009d5ed1c412c/src/app/api/cli-tools/hermes-settings/route.js#L185-L223","label":"disclosure@vulncheck.com"},{"url":"https://github.com/decolua/9router/blob/a99cf57239ff778b61e434c2786009d5ed1c412c/src/app/api/cli-tools/hermes-settings/route.js#L20-L35","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/9router-hermes-config-injection","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/9router-0.4.1-through-0.5.99-config-injection-rce-via-hermes-settings-endpoint","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind/9router-hermes-config-injection","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org"],"epss":0.00268,"epssPercentile":0.18808,"ingestedAt":"2026-10-10T19:30:07.153Z","vendor":"decolua","product":"9router","affected":["9router >= 0.4.1 <= 0.5.99"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T11:37:50.670875Z"},"slug":"CVE-2026-108593","body":"## Overview\n\n9router 0.4.1 through 0.5.99 contains a configuration injection vulnerability in the POST /api/cli-tools/hermes-settings endpoint that allows authenticated dashboard users to inject arbitrary keys into the Hermes Agent config.yaml file. Attackers can submit a baseUrl containing double quotes and newlines to add hooks_auto_accept and a hooks.post_llm_call shell command, which Hermes Agent executes without approval after an LLM call.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}