{"id":"CVE-2021-39906","details":"Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.","aliases":["BIT-gitlab-2021-39906"],"modified":"2026-08-27T18:53:40.760196Z","published":"2021-11-05T00:15:10.977Z","references":[{"type":"ADVISORY","url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39906.json"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/341566"},{"type":"REPORT","url":"https://hackerone.com/reports/1347600"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"2f8ec2ebf58d8d4885127b9715b143e6756f2df1"},{"fixed":"9ed95b96a6766af9336048a63a29b678f88a9413"},{"introduced":"dec73e99fddac59c0bf816dc4bffd2a30abae6de"},{"fixed":"3e776d83389c706fb81973736e57ca6a6fb952fc"},{"introduced":"19c719febd74b6edf549bf6a2c0e36bf8f176d56"},{"fixed":"abc23a14bace184532d1d344c4d230d9fc99eba6"}],"database_specific":{"cpe":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"13.5.0"},{"fixed":"14.2.6"},{"introduced":"14.3.0"},{"fixed":"14.3.4"},{"introduced":"14.4.0"},{"fixed":"14.4.1"}],"source":"CPE_RANGE"}}],"versions":["v14.3.2-ee","v14.4.0-ee","v14.3.3-ee","v14.3.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39906.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}