{"id":"CVE-2023-4378","state":"PUBLISHED","title":"Insertion of Sensitive Information Into Sent Data in GitLab","description":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A malicious Maintainer can, under specific circumstances, leak the sentry token by changing the configured URL in the Sentry error tracking settings page. This was as a result of an incomplete fix for CVE-2022-4365.","publishedAt":"2023-09-01T10:30:31.991Z","updatedAt":"2026-04-24T04:06:57.149Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"11.8","status":"affected","lessThan":"16.1.5","versionType":"semver"},{"version":"16.2","status":"affected","lessThan":"16.2.5","versionType":"semver"},{"version":"16.3","status":"affected","lessThan":"16.3.1","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/issues/422134","https://hackerone.com/reports/2104591"],"weaknesses":["CWE-201"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/4xxx/CVE-2023-4378.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-4378","state":"PUBLISHED","datePublished":"2023-09-01T10:30:31.991Z","dateUpdated":"2026-04-24T04:06:57.149Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2023-08-16T00:01:27.522Z"},"containers":{"cna":{"title":"Insertion of Sensitive Information Into Sent Data in GitLab","descriptions":[{"lang":"en","value":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. A malicious Maintainer can, under specific circumstances, leak the sentry token by changing the configured URL in the Sentry error tracking settings page. This was as a result of an incomplete fix for CVE-2022-4365."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"11.8","status":"affected","lessThan":"16.1.5","versionType":"semver"},{"version":"16.2","status":"affected","lessThan":"16.2.5","versionType":"semver"},{"version":"16.3","status":"affected","lessThan":"16.3.1","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/422134","name":"GitLab Issue #422134","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/2104591","name":"HackerOne Bug Bounty Report #2104591","tags":["technical-description","exploit"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-201","lang":"en","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-04-24T04:06:57.149Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 16.1.5, 16.2.5, 16.3.1 or above."}],"credits":[{"lang":"en","value":"Thanks [70rpedo](https://hackerone.com/70rpedo) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/422134","name":"GitLab Issue #422134","tags":["issue-tracking","x_transferred"]},{"url":"https://hackerone.com/reports/2104591","name":"HackerOne Bug Bounty Report #2104591","tags":["technical-description","exploit","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:24:04.549Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-30T15:48:23.298311Z","id":"CVE-2023-4378","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-30T15:50:23.513Z"}}]}}}