CVE-2026-8589
Last modified
CVE-2026-8589 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 13.1.4, < 18.10.8 |
| Gitlab | Gitlab | >= 18.11.0, < 18.11.5 |
| Gitlab | Gitlab | >= 19.0.0, < 19.0.2 |
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/600099Issue Tracking
- https://hackerone.com/reports/3722842Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-8589?
How severe is CVE-2026-8589?
How do I fix CVE-2026-8589?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-8582Object lifecycle issue in Dawn in Google Chrome prior to 148…5.3
- CVE-2026-8583Insufficient policy enforcement in WebXR in Google Chrome on…5.3
- CVE-2026-8584Inappropriate implementation in Views in Google Chrome on iO…4.2
- CVE-2026-8585Inappropriate implementation in Media in Google Chrome on iO…7.5
- CVE-2026-8586Inappropriate implementation in Chromoting in Google Chrome …5.5
- CVE-2026-8587Use after free in Extensions in Google Chrome on Mac prior t…8.8
- CVE-2026-8590Vulnerability in Spotfire Spotfire Enterprise (Spotfire Serv…8.7
- CVE-2026-8592OS Command Injection vulnerability in the process_string act…9.8
- CVE-2026-8593Improper permission enforcement in Checkmk versions 2.5.0 be…5.3
- CVE-2026-8594Text::LineFold versions through 2019.001 for Perl duplicate …6.2
- CVE-2026-8595A user with Editor permissions can craft a dashboard whose t…5.4
- CVE-2026-8596Cleartext storage of sensitive information in the ModelBuild…8.5
Are you affected by CVE-2026-8589?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST