{"id":"CVE-2026-108593","published":"2026-10-10T19:16:57.607","lastModified":"2026-10-13T12:17:12.980","description":"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. 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.","cvssScore":6.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-94"],"vendors":[],"products":[],"references":[{"url":"https://github.com/decolua/9router","tags":[]},{"url":"https://github.com/decolua/9router/blob/a99cf57239ff778b61e434c2786009d5ed1c412c/src/app/api/cli-tools/hermes-settings/route.js#L185-L223","tags":[]},{"url":"https://github.com/decolua/9router/blob/a99cf57239ff778b61e434c2786009d5ed1c412c/src/app/api/cli-tools/hermes-settings/route.js#L20-L35","tags":[]},{"url":"https://hackmd.io/@haind/9router-hermes-config-injection","tags":[]},{"url":"https://www.vulncheck.com/advisories/9router-0.4.1-through-0.5.99-config-injection-rce-via-hermes-settings-endpoint","tags":[]},{"url":"https://hackmd.io/@haind/9router-hermes-config-injection","tags":[]}],"exploitRefs":[{"url":"https://github.com/decolua/9router","tags":[]},{"url":"https://github.com/decolua/9router/blob/a99cf57239ff778b61e434c2786009d5ed1c412c/src/app/api/cli-tools/hermes-settings/route.js#L185-L223","tags":[]},{"url":"https://github.com/decolua/9router/blob/a99cf57239ff778b61e434c2786009d5ed1c412c/src/app/api/cli-tools/hermes-settings/route.js#L20-L35","tags":[]}],"hasPoc":true,"ai":null}