CVE-2026-0752

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

CVSS 8 HIGHEPSS 0.3%CWE-79

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

25 fev 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid sandbox UI.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Produtos afetados

GitLab · GitLab

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Referências

https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/https://gitlab.com/gitlab-org/gitlab/-/issues/585371 https://hackerone.com/reports/3473276