Vulnerability record · CVE-2026-8589 · published 11 June 2026

CVE-2026-8589: Gitlab cross-site scripting vulnerability

Gitlab · Gitlab

GitLab has remediated an issue in GitLab EE affecting all versions from 13.1.4 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to add unauthorized email addresses to a targeted user's account due to improper sanitization of user-supplied input in certain group setting fields.

8.7 CVSS 3.1 High EPSS 0.40% · top 68.4% CWE-79 · Cross-site scripting

8.7CVSS 3.1 base score

0.40%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Gitlab Gitlab

References

Link	Tags
https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/	Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/600099	Issue Tracking
https://hackerone.com/reports/3722842	Permissions Required

Track CVE-2026-8589 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-85706GitLab CE/EE repository commits API path traversal allows unauthenticated file readGitLab CE/EE contains improper path confinement and missing authentication enforcement in the repository commits API, allowing an unauthenticated use…KEVEPSS 91%analysed12 Sep 2026 10.0CVE-2021-22205GitLab CE/EE image parser flaw allows unauthenticated remote code executionGitLab CE/EE failed to properly validate image files passed to a file parser, allowing code injection that leads to remote command execution. The fla…KEVEPSS 100%analysed23 Apr 2021 9.8CVE-2023-7028GitLab CE/EE password reset sent to unverified email, enabling account takeoverGitLab CE/EE versions from 16.1 through 16.7 before their fixed releases could deliver account password reset emails to an unverified email address. …KEVEPSS 95%analysed12 Jan 2024 9.8CVE-2021-22175GitLab unauthenticated SSRF via internal webhook requestsGitLab is vulnerable to server-side request forgery when requests to the internal network for webhooks are enabled. The flaw affects all versions sta…KEVEPSS 53%analysed11 Jun 2021 7.5CVE-2021-39935GitLab CI Lint API server-side request forgeryGitLab CE/EE contains a server-side request forgery flaw in the CI Lint API affecting versions from 10.5 before 14.3.6, 14.4 before 14.4.4, and 14.5 …KEVEPSS 36%analysed13 Dec 2021 10.0CVE-2020-13300Gitlab incorrect authorization vulnerabilityGitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorizati…EPSS 1.3%14 Sep 2020 10.0CVE-2019-9174Gitlab server-side request forgery (ssrf) vulnerabilityAn issue was discovered in GitLab Community and Enterprise Edition before 11.6.10, 11.7.x before 11.7.6, and 11.8.x before 11.8.1. It allows SSRF.EPSS 2.0%17 Apr 2019 10.0CVE-2018-18843Gitlab server-side request forgery (ssrf) vulnerabilityThe Kubernetes integration in GitLab Enterprise Edition 11.x before 11.2.8, 11.3.x before 11.3.9, and 11.4.x before 11.4.4 has SSRF.EPSS 1.6%4 Dec 2018

Source: NIST National Vulnerability Database (record CVE-2026-8589), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.