Vulnerability Details CVE-2026-92883
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 18.5%
CVSS Severity
CVSS v3 Score 8.7
References
Products affected by CVE-2026-92883
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cpe:2.3:a:gitlab:gitlab:19.1.0
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cpe:2.3:a:gitlab:gitlab:19.1.1
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cpe:2.3:a:gitlab:gitlab:19.1.2
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cpe:2.3:a:gitlab:gitlab:19.1.3
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cpe:2.3:a:gitlab:gitlab:19.1.4
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cpe:2.3:a:gitlab:gitlab:19.1.5
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cpe:2.3:a:gitlab:gitlab:19.1.6
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cpe:2.3:a:gitlab:gitlab:19.1.7
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cpe:2.3:a:gitlab:gitlab:19.1.8
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cpe:2.3:a:gitlab:gitlab:19.2.0
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cpe:2.3:a:gitlab:gitlab:19.2.1
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cpe:2.3:a:gitlab:gitlab:19.2.2
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cpe:2.3:a:gitlab:gitlab:19.2.3
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cpe:2.3:a:gitlab:gitlab:19.2.4
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cpe:2.3:a:gitlab:gitlab:19.2.5
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cpe:2.3:a:gitlab:gitlab:19.2.6
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cpe:2.3:a:gitlab:gitlab:19.2.7
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cpe:2.3:a:gitlab:gitlab:19.3.0
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cpe:2.3:a:gitlab:gitlab:19.3.1
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cpe:2.3:a:gitlab:gitlab:19.3.2
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cpe:2.3:a:gitlab:gitlab:19.3.3
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cpe:2.3:a:gitlab:gitlab:19.3.4
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cpe:2.3:a:gitlab:gitlab:19.4.0
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cpe:2.3:a:gitlab:gitlab:19.4.1