{"id":"CVE-2026-70615","state":"PUBLISHED","title":"boringproxy 0.10.0 SSH authorized_keys Injection via Tunnel Creation","description":"boringproxy through 0.10.0 contains a newline injection vulnerability that allows authenticated low-privileged users with tunnel-creation permission to inject arbitrary lines into the server account's SSH authorized_keys file by supplying a percent-encoded newline character in the domain parameter of the tunnel creation endpoint. Attackers can insert an unrestricted public key entry into authorized_keys to gain persistent shell access, and subsequently read cleartext credentials from the database file including all user tokens, tunnel private keys, and TLS certificates.","publishedAt":"2026-08-05T19:34:13.322Z","updatedAt":"2026-08-06T17:33:41.750Z","severity":{"score":8.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H","source":"VulnCheck"},"assigner":"VulnCheck","products":["boringproxy boringproxy"],"affected":[{"vendor":"boringproxy","product":"boringproxy","packageURL":"pkg:github/boringproxy/boringproxy","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.10.0","versionType":"semver"}],"repo":"https://github.com/boringproxy/boringproxy"}],"references":["https://github.com/theopaid/Remote-Code-Execution-And-Privilege-Escalation-Through-SSH-Authorized-Keys-Injection-boringproxy-/blob/master/README.md","https://www.vulncheck.com/advisories/boringproxy-ssh-authorized-keys-injection-via-tunnel-creation"],"weaknesses":["CWE-93"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/70xxx/CVE-2026-70615.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-70615","state":"PUBLISHED","datePublished":"2026-08-05T19:34:13.322Z","dateUpdated":"2026-08-06T17:33:41.750Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-04T20:17:18.296Z"},"containers":{"cna":{"title":"boringproxy 0.10.0 SSH authorized_keys Injection via Tunnel Creation","descriptions":[{"lang":"en","value":"boringproxy through 0.10.0 contains a newline injection vulnerability that allows authenticated low-privileged users with tunnel-creation permission to inject arbitrary lines into the server account's SSH authorized_keys file by supplying a percent-encoded newline character in the domain parameter of the tunnel creation endpoint. 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