CVE-2023-5512

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-5512", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2023-10-11T00:30:29.337Z", "datePublished": "2023-12-15T16:03:00.260Z", "dateUpdated": "2026-04-28T04:05:20.348Z"}, "containers": {"cna": {"title": "Improper Control of Generation of Code ('Code Injection') in GitLab", "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI."}], "affected": [{"vendor": "GitLab", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "versions": [{"version": "16.3", "status": "affected", "lessThan": "16.4.4", "versionType": "semver"}, {"version": "16.5", "status": "affected", "lessThan": "16.5.4", "versionType": "semver"}, {"version": "16.6", "status": "affected", "lessThan": "16.6.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "cweId": "CWE-94", "type": "CWE"}]}], "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427827", "name": "GitLab Issue #427827", "tags": ["issue-tracking", "permissions-required"]}, {"url": "https://hackerone.com/reports/2194607", "name": "HackerOne Bug Bounty Report #2194607", "tags": ["technical-description", "exploit", "permissions-required"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to versions 16.6.2, 16.5.4, 16.4.4 or above."}], "credits": [{"lang": "en", "value": "Thanks [st4nly0n](https://hackerone.com/st4nly0n) for reporting this vulnerability through our HackerOne bug bounty program", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-28T04:05:20.348Z"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:59:44.782Z"}, "title": "CVE Program Container", "references": [{"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427827", "name": "GitLab Issue #427827", "tags": ["issue-tracking", "x_transferred"]}, {"url": "https://hackerone.com/reports/2194607", "name": "HackerOne Bug Bounty Report #2194607", "tags": ["technical-description", "exploit", "x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "product": "GitLab", "repo": "git://git@gitlab.com:gitlab-org/gitlab.git", "vendor": "GitLab", "versions": [{"lessThan": "16.4.4", "status": "affected", "version": "16.3", "versionType": "semver"}, {"lessThan": "16.5.4", "status": "affected", "version": "16.5", "versionType": "semver"}, {"lessThan": "16.6.2", "status": "affected", "version": "16.6", "versionType": "semver"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "FC12E182-B115-419E-B2DF-AC30E3EF5F10", "versionEndExcluding": "16.4.4", "versionStartIncluding": "16.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E4A325F9-7186-4061-B299-106849B7A5DA", "versionEndExcluding": "16.4.4", "versionStartIncluding": "16.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "3C213E8A-B47E-4D1F-8253-90CB866744F0", "versionEndExcluding": "16.5.4", "versionStartIncluding": "16.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "E6EBFF85-99EE-48D7-8991-02AA59E78374", "versionEndExcluding": "16.5.4", "versionStartIncluding": "16.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "matchCriteriaId": "17596227-79F6-439A-89EC-B87F03EF73AC", "versionEndExcluding": "16.6.2", "versionStartIncluding": "16.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "53E94AC5-C346-4511-B68C-DC0D86E575FC", "versionEndExcluding": "16.6.2", "versionStartIncluding": "16.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en GitLab CE/EE que afecta a todas las versiones desde 16.3 anteriores a 16.4.4, todas las versiones desde 16.5 anteriores a 16.5.4, todas las versiones desde 16.6 anteriores a 16.6.2. La integridad del archivo puede verse comprometida cuando se utiliza una codificaci\u00f3n HTML espec\u00edfica para nombres de archivos que provocan una representaci\u00f3n incorrecta en la interfaz de usuario."}], "id": "CVE-2023-5512", "lastModified": "2026-06-17T06:48:44.563", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "cve@gitlab.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-15T16:15:46.300", "references": [{"source": "cve@gitlab.com", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427827"}, {"source": "cve@gitlab.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/2194607"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/427827"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/2194607"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "cve@gitlab.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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