{"api_version":"1","generated_at":"2026-07-24T20:51:01+00:00","cve":"CVE-2026-12567","urls":{"html":"https://cve.report/CVE-2026-12567","api":"https://cve.report/api/cve/CVE-2026-12567.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-12567","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12567"},"summary":{"title":"Symlink-following arbitrary write via github_workflows module","description":"The github_workflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location.","state":"PUBLISHED","assigner":"BLSOPS","published_at":"2026-06-17 23:17:03","updated_at":"2026-06-22 17:45:43"},"problem_types":["CWE-59","CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')"],"metrics":[{"version":"3.1","source":"cves@blacklanternsecurity.com","type":"Secondary","score":"2.2","severity":"LOW","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","baseScore":2.2,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"2.2","severity":"LOW","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","data":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":2.2,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/blacklanternsecurity/bbot/commit/16d9c42b6","name":"https://github.com/blacklanternsecurity/bbot/commit/16d9c42b6","refsource":"cves@blacklanternsecurity.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-12567","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12567","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Black Lantern Security","product":"BBOT","version":"affected 2.0.0 <=2.8.4 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"12567","cve":"CVE-2026-12567","epss":"0.000910000","percentile":"0.006170000","score_date":"2026-06-25","updated_at":"2026-06-26 00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-12567","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-18T12:50:06.432373Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-06-18T12:50:13.202Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"BBOT","repo":"https://github.com/blacklanternsecurity/bbot","vendor":"Black Lantern Security","versions":[{"lessThanOrEqual":"<=2.8.4","status":"affected","version":"2.0.0","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The github_workflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location."}],"value":"The github_workflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location."}],"impacts":[{"capecId":"CAPEC-132","descriptions":[{"lang":"en","value":"CAPEC-132 Symlink Attack"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":2.2,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-17T21:51:35.593Z","orgId":"27b6da8a-f51d-48d9-9eef-9b7f3405d20d","shortName":"BLSOPS"},"references":[{"url":"https://github.com/blacklanternsecurity/bbot/commit/16d9c42b6"}],"source":{"discovery":"UNKNOWN"},"title":"Symlink-following arbitrary write via github_workflows module","x_generator":{"engine":"Vulnogram 0.1.0-dev"}}},"cveMetadata":{"assignerOrgId":"27b6da8a-f51d-48d9-9eef-9b7f3405d20d","assignerShortName":"BLSOPS","cveId":"CVE-2026-12567","datePublished":"2026-06-17T21:51:35.593Z","dateReserved":"2026-06-17T21:49:05.331Z","dateUpdated":"2026-06-18T12:50:13.202Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-17 23:17:03","lastModifiedDate":"2026-06-22 17:45:43","problem_types":["CWE-59","CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')"],"metrics":{"cvssMetricV31":[{"source":"cves@blacklanternsecurity.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N","baseScore":2.2,"baseSeverity":"LOW","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":0.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-18T12:50:06.432373Z","id":"CVE-2026-12567","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"12567","Ordinal":"1","Title":"Symlink-following arbitrary write via github_workflows module","CVE":"CVE-2026-12567","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"12567","Ordinal":"1","NoteData":"The github_workflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location.","Type":"Description","Title":"Symlink-following arbitrary write via github_workflows module"}]}}}