{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44590","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-06T21:49:12.425Z","datePublished":"2026-05-27T19:23:01.638Z","dateUpdated":"2026-05-28T13:28:18.355Z"},"containers":{"cna":{"title":"Sherlock: Command Injection via pull_request_target in validate_modified_targets.yml","problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.3,"baseSeverity":"CRITICAL","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/sherlock-project/sherlock/security/advisories/GHSA-v6wr-ccr4-x8g9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sherlock-project/sherlock/security/advisories/GHSA-v6wr-ccr4-x8g9"}],"affected":[{"vendor":"sherlock-project","product":"sherlock","versions":[{"version":"< 0.16.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-27T19:23:01.638Z"},"descriptions":[{"lang":"en","value":"Sherlock hunts down social media accounts by username across social networks. Prior to 0.16.1, the GitHub Actions workflow validate_modified_targets.yml is vulnerable to command injection via the pull_request_target trigger. Any GitHub user can execute arbitrary commands on the CI runner and exfiltrate the GITHUB_TOKEN by opening a pull request. No approval, review, or merge is required. This vulnerability is fixed in 0.16.1."}],"source":{"advisory":"GHSA-v6wr-ccr4-x8g9","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/sherlock-project/sherlock/security/advisories/GHSA-v6wr-ccr4-x8g9","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-28T13:27:58.922623Z","id":"CVE-2026-44590","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-28T13:28:18.355Z"}}]}}