{"id":"CVE-2026-108980","aliases":["EUVD-2026-97145","GHSA-q62g-66hr-78pq"],"status":"published","title":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via...","description":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via installPlugin. It builds the plugin install path from an unsanitized name in server/routerTrpc/plugin.ts, and the plugin.installPlugin tRPC procedure is open to any authenticated user. Thus, a name containing ../ sequences writes the downloaded plugin files outside the plugins directory. Because the official Docker image runs as root, an authenticated attacker overwrites a root-owned startup file and achieves remote code execution as root. Self-registration for an account may be possible.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01063,"percentile":0.65106,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-24"],"published":"2026-10-12T01:55:59Z","modified":"2026-10-28T02:31:06Z","products":[{"vendor":"blinko","product":"blinko"},{"vendor":"blinkospace","product":"blinko"}],"references":[{"url":"https://github.com/kashishtopi/blinko-plugin-path-traversal-rce","tags":["exploit","technical-description","evidence"]},{"url":"https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/server/routerTrpc/plugin.ts#L273","tags":["product","web"]},{"url":"https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/app/src/pages/signin.tsx#L238-L243","tags":["product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108980","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q62g-66hr-78pq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108980.json","tags":["advisory"]},{"url":"https://github.com/blinko-space/blinko","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-108980","description":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via installPlugin. It builds the plugin install path from an unsanitized name in server/routerTrpc/plugin.ts, and the plugin.installPlugin tRPC procedure is open to any authenticated user. Thus, a name containing ../ sequences writes the downloaded plugin files outside the plugins directory. Because the official Docker image runs as root, an authenticated attacker overwrites a root-owned startup file and achieves remote code execution as root. Self-registration for an account may be possible.","status":"published","published":"2026-10-12T01:55:59.223Z","modified":"2026-10-13T19:12:39.874Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T14:20:10.510075Z"}],"euvd":[{"id":"EUVD-2026-97145","description":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via installPlugin. It builds the plugin install path from an unsanitized name in server/routerTrpc/plugin.ts, and the plugin.installPlugin tRPC procedure is open to any authenticated user. Thus, a name containing ../ sequences writes the downloaded plugin files outside the plugins directory. Because the official Docker image runs as root, an authenticated attacker overwrites a root-owned startup file and achieves remote code execution as root. Self-registration for an account may be possible.","status":"published","published":"2026-10-12T01:55:59Z","modified":"2026-10-13T19:12:39Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:18.769576Z"}],"ghsa":[{"id":"GHSA-q62g-66hr-78pq","title":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via...","description":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via installPlugin. It builds the plugin install path from an unsanitized name in server/routerTrpc/plugin.ts, and the plugin.installPlugin tRPC procedure is open to any authenticated user. Thus, a name containing ../ sequences writes the downloaded plugin files outside the plugins directory. Because the official Docker image runs as root, an authenticated attacker overwrites a root-owned startup file and achieves remote code execution as root. Self-registration for an account may be possible.","status":"published","published":"2026-10-12T03:32:55Z","modified":"2026-10-12T03:33:04Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T15:13:05.239643Z"}],"nvd":[{"id":"CVE-2026-108980","description":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via installPlugin. It builds the plugin install path from an unsanitized name in server/routerTrpc/plugin.ts, and the plugin.installPlugin tRPC procedure is open to any authenticated user. Thus, a name containing ../ sequences writes the downloaded plugin files outside the plugins directory. Because the official Docker image runs as root, an authenticated attacker overwrites a root-owned startup file and achieves remote code execution as root. Self-registration for an account may be possible.","status":"published","published":"2026-10-12T02:16:57.297Z","modified":"2026-10-16T19:56:15.773Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T14:12:56.310333Z"}],"osv":[{"id":"CVE-2026-108980","description":"Blinko through 1.8.8 allows directory traversal, overwriting startup files as root, via installPlugin. It builds the plugin install path from an unsanitized name in server/routerTrpc/plugin.ts, and the plugin.installPlugin tRPC procedure is open to any authenticated user. Thus, a name containing ../ sequences writes the downloaded plugin files outside the plugins directory. Because the official Docker image runs as root, an authenticated attacker overwrites a root-owned startup file and achieves remote code execution as root. Self-registration for an account may be possible.","status":"published","published":"2026-10-12T01:55:59.223Z","modified":"2026-10-28T02:31:06.279541021Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-24"],"updated_at":"2026-11-02T15:44:55.279797Z"}]}}