{ "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" } } ] } }