CVE-2026-1747

medium

Description

Gitlab reports: Cross-site Scripting issue in Mermaid sandbox impacts GitLab CE/EE Denial of Service issue in container registry impacts GitLab CE/EE Denial of Service issue in Jira events endpoint impacts GitLab CE/EE Regular Expression Denial of Service issue in GitLab merge requests impacts GitLab CE/EE Missing rate limit in Bitbucket Server importer impacts GitLab CE/EE Denial of Service issue in CI trigger API impacts GitLab CE/EE Denial of Service issue in token decoder impacts GitLab CE/EE Improper Access Control issue in Conan package registry impacts GitLab EE Access Control issue in CI job mutation impacts GitLab CE/EE

References

https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/

https://hackerone.com/reports/3533088

https://gitlab.com/gitlab-org/gitlab/-/issues/588385

Details

Source: Mitre, NVD

Published: 2026-02-26

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Severity: Medium