{"id":"CVE-2026-79766","revision":null,"records":[{"revision":"34d907c27ee343b190782209f20e38de","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-79766","aliases":[],"title":"Termix: OS command injection in ACME/Let's Encrypt certificate-request handler via admin-controlled domain/email","description":"Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. From 2.4.1 until 2.5.1, an authenticated Termix administrator can store attacker-controlled domain and email values through PATCH /users/acme-ssl-settings and trigger their interpolation into a certbot shell command through POST /users/acme-ssl-request. In src/backend/database/routes/acme-ssl-routes.ts, child_process.execSync invokes /bin/sh -c with those values only wrapped in double quotes, so shell metacharacters can execute arbitrary operating-system commands as the Termix backend process. Both HTTP webroot and DNS Cloudflare challenge modes are affected, and compromise exposes Termix databases, process secrets, stored credentials, and network reachability. This issue is fixed in version 2.5.1.","state":0,"publishedAt":"2026-09-24T16:00:49.014+00:00","modifiedAt":"2026-09-29T02:52:15.66+00:00","affected":[{"ecosystem":"Vendor product","name":"Termix","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Termix-SSH\",\n                    \"product\": \"Termix\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 2.4.1, < 2.5.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","score":9.1,"severity":"CRITICAL"}],"references":["https://github.com/Termix-SSH/Termix/security/advisories/GHSA-pr55-25gf-5f9v","https://github.com/Termix-SSH/Termix/pull/1067","https://github.com/Termix-SSH/Termix/commit/c7a9063a72071153723e668787548766c971f029","https://github.com/Termix-SSH/Termix/commit/ddbdd5c437c2296607dfaa4265d6f63fbc1ca92e","https://github.com/Termix-SSH/Termix/releases/tag/release-2.5.1-tag"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-79766","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-79766","identifiers":["CVE-2026-79766"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-12T07:54:58.2349119+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-12T07:54:58.2349119+00:00","lastSuccessAt":"2026-11-12T07:54:58.4862124+00:00","error":null,"lastVerifiedAt":"2026-11-12T07:54:58.4862143+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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