{"id":"CVE-2026-31861","aliases":["GHSA-7fv4-fmmc-86g2"],"url":"https://o3.security/vulnerability/CVE-2026-31861","summary":"Shell Command Injection in Git Routes [CloudCLI UI]","details":"Cloud CLI (aka Claude Code UI) is a desktop and mobile UI for Claude Code, Cursor CLI, Codex, and Gemini-CLI. Prior to 1.24.0, The /api/user/git-config endpoint constructs shell commands by interpolating user-supplied gitName and gitEmail values into command strings passed to child_process.exec(). The input is placed within double quotes and only \" is escaped, but backticks (`), $() command substitution, and \\ sequences are all interpreted within double-quoted strings in bash. This allows authenticated attackers to execute arbitrary OS commands via the git configuration endpoint. This vulnerability is fixed in 1.24.0.","published":"2026-03-11T17:22:10.111Z","modified":"2026-08-07T11:50:09.761198426Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"@siteboon/claude-code-ui","fixedVersion":"1.24.0"}],"fix":{"url":"https://github.com/siteboon/claudecodeui/commit/86c33c1c0cb34176725a38f46960213714fc3e04","label":"siteboon/claudecodeui@86c33c1"},"references":[{"type":"WEB","url":"https://github.com/siteboon/claudecodeui/releases/tag/v1.24.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31861.json"},{"type":"ADVISORY","url":"https://github.com/siteboon/claudecodeui/security/advisories/GHSA-7fv4-fmmc-86g2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31861"},{"type":"FIX","url":"https://github.com/siteboon/claudecodeui/commit/86c33c1c0cb34176725a38f46960213714fc3e04"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:09.761198426Z"}}