{"id":"CVE-2026-0933","aliases":["EUVD-2026-3519","GHSA-36p8-mvp6-cv38","GHSA-8h3q-9fpp-c883"],"status":"published","title":"OS Command Injection in `wrangler pages deploy`","description":"SummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","severity":{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01514,"percentile":0.74832,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20","CWE-78"],"published":"2026-01-20T22:58:05Z","modified":"2026-10-28T02:31:05Z","fixes":[{"ecosystem":"npm","package":"wrangler","fixed_in":["3.114.17","4.59.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"wrangler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.15"},{"fixed":"3.114.17"}]}]},{"source":"ghsa","ecosystem":"npm","package":"wrangler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.59.1"}]}]},{"source":"osv","ecosystem":"npm","package":"wrangler","ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.15"},{"fixed":"3.114.17"}]}]},{"source":"osv","ecosystem":"npm","package":"wrangler","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"4.59.1"}]}]}],"products":[{"vendor":"cloudflare","product":"wrangler"}],"references":[{"url":"https://github.com/cloudflare/workers-sdk","tags":["Product","package","web"]},{"url":"https://github.com/cloudflare/workers-sdk/security/advisories/GHSA-36p8-mvp6-cv38","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0933","tags":["advisory"]},{"url":"https://github.com/cloudflare/workers-sdk/commit/99b1f328a9afe181b49f1114ed47f15f6d25f0be","tags":["web"]},{"url":"https://github.com/cloudflare/workers-sdk/releases/tag/wrangler%403.114.17","tags":["web"]},{"url":"https://github.com/cloudflare/workers-sdk/releases/tag/wrangler%404.59.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-36p8-mvp6-cv38"},{"url":"https://github.com/advisories/GHSA-8h3q-9fpp-c883"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0933.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-0933","title":"OS Command Injection in `wrangler pages deploy`","description":"SummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","status":"published","published":"2026-01-20T22:58:05.212Z","modified":"2026-01-23T21:54:58.842Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-3519","description":"SummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","status":"published","published":"2026-01-20T22:58:05Z","modified":"2026-01-23T21:54:58Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high"}],"updated_at":"2026-11-02T19:48:47.68467Z"}],"ghsa":[{"id":"GHSA-36p8-mvp6-cv38","title":"Wrangler affected by OS Command Injection in `wrangler pages deploy`","description":"**Summary**\n\nA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n**Root cause**\n\nThe `commitHash` variable, derived from user input via the `--commit-hash` CLI argument, is interpolated directly into a shell command using template literals (e.g., ``execSync(`git show -s --format=%B ${commitHash}`)``). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n**Impact**\n\nThis vulnerability is generally hard to exploit, as it requires `--commit-hash` to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the `--commit-hash` parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n- Run any shell command.\n- Exfiltrate environment variables.\n- Compromise the CI runner to install backdoors or modify build artifacts.\n\n**Mitigation**\n\n- Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher. \n- Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher. \n- Users on Wrangler v2 (EOL) should upgrade to a supported major version.\n\n**Credits**\n\nDisclosed responsibly by kny4hacker.","status":"published","published":"2026-01-21T23:00:35Z","modified":"2026-01-21T23:00:36Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:39:18.564331Z"},{"id":"GHSA-8h3q-9fpp-c883","title":"Duplicate Advisory: Wrangler affected by OS Command Injection in `wrangler pages deploy`","description":"## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-36p8-mvp6-cv38. This link is maintained to preserve external references.\n\n## Original Description\n\nSummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","status":"withdrawn","published":"2026-01-21T00:31:43Z","modified":"2026-01-29T03:38:37Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:39:20.563096Z"}],"nvd":[{"id":"CVE-2026-0933","description":"SummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","status":"published","published":"2026-01-20T23:16:06.043Z","modified":"2026-06-17T10:11:39.087Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:04.423757Z"}],"osv":[{"id":"CVE-2026-0933","title":"OS Command Injection in `wrangler pages deploy`","description":"SummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","status":"published","published":"2026-01-20T22:58:05.212Z","modified":"2026-10-28T02:31:05.273167505Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:44:53.490346Z"},{"id":"GHSA-36p8-mvp6-cv38","title":"Wrangler affected by OS Command Injection in `wrangler pages deploy`","description":"**Summary**\n\nA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n**Root cause**\n\nThe `commitHash` variable, derived from user input via the `--commit-hash` CLI argument, is interpolated directly into a shell command using template literals (e.g., ``execSync(`git show -s --format=%B ${commitHash}`)``). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n**Impact**\n\nThis vulnerability is generally hard to exploit, as it requires `--commit-hash` to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the `--commit-hash` parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n- Run any shell command.\n- Exfiltrate environment variables.\n- Compromise the CI runner to install backdoors or modify build artifacts.\n\n**Mitigation**\n\n- Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher. \n- Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher. \n- Users on Wrangler v2 (EOL) should upgrade to a supported major version.\n\n**Credits**\n\nDisclosed responsibly by kny4hacker.","status":"published","published":"2026-01-21T23:00:35Z","modified":"2026-02-03T03:10:47.584951Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:35.406455Z"},{"id":"GHSA-8h3q-9fpp-c883","title":"Duplicate Advisory: Wrangler affected by OS Command Injection in `wrangler pages deploy`","description":"## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-36p8-mvp6-cv38. This link is maintained to preserve external references.\n\n## Original Description\n\nSummaryA command injection vulnerability (CWE-78) has been found to exist in the `wrangler pages deploy` command. The issue occurs because the `--commit-hash` parameter is passed directly to a shell command without proper validation or sanitization, allowing an attacker with control of `--commit-hash` to execute arbitrary commands on the system running Wrangler.\n\n\n\n\nRoot causeThe commitHash variable, derived from user input via the --commit-hash CLI argument, is interpolated directly into a shell command using template literals (e.g.,  execSync(`git show -s --format=%B ${commitHash}`)). Shell metacharacters are interpreted by the shell, enabling command execution.\n\n\n\n\nImpactThis vulnerability is generally hard to exploit, as it requires --commit-hash to be attacker controlled. The vulnerability primarily affects CI/CD environments where `wrangler pages deploy` is used in automated pipelines and the \n\n--commit-hash parameter is populated from external, potentially untrusted sources. An attacker could exploit this to:\n\n  *  Run any shell command.\n  *  Exfiltrate environment variables.\n  *  Compromise the CI runner to install backdoors or modify build artifacts.\n\n\n\nCredits Disclosed responsibly by kny4hacker.\n\n\n\n\nMitigation\n  *  Wrangler v4 users are requested to upgrade to Wrangler v4.59.1 or higher.\n  *  Wrangler v3 users are requested to upgrade to Wrangler v3.114.17 or higher.\n  *  Users on Wrangler v2 (EOL) should upgrade to a supported major version.","status":"withdrawn","published":"2026-01-21T00:31:43Z","modified":"2026-02-03T03:05:53.550956Z","cvss":[{"version":"4.0","score":7.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:42.437513Z"}]}}