{"id":"CVE-2026-50187","state":"PUBLISHED","title":"Oh My Zsh: Arbitrary Code Execution in oh-my-zsh dotenv plugin via malicious .env files","description":"Oh My Zsh is a community-driven framework for managing Zsh configuration. Prior to 2026-05-28, the dotenv plugin in plugins/dotenv/dotenv.plugin.zsh passes ZSH_DOTENV_FILE to source after a directory change into a folder containing a .env file, allowing syntactically valid shell commands in the file to execute with the current account's privileges, including without a prompt when ZSH_DOTENV_PROMPT=false or after the default prompt accepts an empty Enter response. This issue is fixed in versions released after 2026-05-28.","publishedAt":"2026-08-18T15:09:51.956Z","updatedAt":"2026-08-18T17:46:49.745Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ohmyzsh ohmyzsh"],"affected":[{"vendor":"ohmyzsh","product":"ohmyzsh","versions":[{"version":"< 2026-05-28","status":"affected"}]}],"references":["https://github.com/ohmyzsh/ohmyzsh/security/advisories/GHSA-3rgh-p3mg-rjqg","https://github.com/ohmyzsh/ohmyzsh/pull/13778","https://github.com/ohmyzsh/ohmyzsh/commit/d170d18746bb06db7b2fc97b67e281597a3fc152"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/50xxx/CVE-2026-50187.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50187","state":"PUBLISHED","datePublished":"2026-08-18T15:09:51.956Z","dateUpdated":"2026-08-18T17:46:49.745Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-03T22:05:13.645Z"},"containers":{"cna":{"title":"Oh My Zsh: Arbitrary Code Execution in oh-my-zsh dotenv plugin via malicious .env files","descriptions":[{"lang":"en","value":"Oh My Zsh is a community-driven framework for managing Zsh configuration. Prior to 2026-05-28, the dotenv plugin in plugins/dotenv/dotenv.plugin.zsh passes ZSH_DOTENV_FILE to source after a directory change into a folder containing a .env file, allowing syntactically valid shell commands in the file to execute with the current account's privileges, including without a prompt when ZSH_DOTENV_PROMPT=false or after the default prompt accepts an empty Enter response. This issue is fixed in versions released after 2026-05-28."}],"affected":[{"vendor":"ohmyzsh","product":"ohmyzsh","versions":[{"version":"< 2026-05-28","status":"affected"}]}],"references":[{"url":"https://github.com/ohmyzsh/ohmyzsh/security/advisories/GHSA-3rgh-p3mg-rjqg","name":"https://github.com/ohmyzsh/ohmyzsh/security/advisories/GHSA-3rgh-p3mg-rjqg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ohmyzsh/ohmyzsh/pull/13778","name":"https://github.com/ohmyzsh/ohmyzsh/pull/13778","tags":["x_refsource_MISC"]},{"url":"https://github.com/ohmyzsh/ohmyzsh/commit/d170d18746bb06db7b2fc97b67e281597a3fc152","name":"https://github.com/ohmyzsh/ohmyzsh/commit/d170d18746bb06db7b2fc97b67e281597a3fc152","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-18T15:09:51.956Z"},"source":{"advisory":"GHSA-3rgh-p3mg-rjqg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T17:28:31.966910Z","id":"CVE-2026-50187","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-18T17:46:49.745Z"}}]}}}