CVE-2026-1403
Last modified
CVE-2026-1403 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.7 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that when importing CSV files could have allowed an authenticated user to cause denial of service to Sidekiq workers due to improper validation of CSV file structure.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.7 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that when importing CSV files could have allowed an authenticated user to cause denial of service to Sidekiq workers due to improper validation of CSV file structure.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| GitLab | GitLab | >= 11.7, < 18.8.9; >= 18.9, < 18.9.5; >= 18.10, < 18.10.3 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-1403?
How severe is CVE-2026-1403?
How do I fix CVE-2026-1403?
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-2026-14024Use after free in Ozone in Google Chrome on Linux prior to 1…8.8
- CVE-2026-14025Use after free in Views in Google Chrome on Mac prior to 150…8.8
- CVE-2026-14026Incorrect security UI in SplitView in Google Chrome prior to…4.2
- CVE-2026-14027Use after free in SignIn in Google Chrome prior to 150.0.787…8.8
- CVE-2026-14028Incorrect security UI in Chrome for iOS in Google Chrome on …4.2
- CVE-2026-14029The Groundhogg — CRM, Newsletters, and Marketing Automation …6.5
- CVE-2026-14030Inappropriate implementation in SplitView in Google Chrome o…4.2
- CVE-2026-14031Inappropriate implementation in File Input in Google Chrome …4.3
- CVE-2026-14032Use after free in Bluetooth in Google Chrome on Mac prior to…8.1
- CVE-2026-14033Insufficient policy enforcement in Media in Google Chrome on…6.5
- CVE-2026-14034Inappropriate implementation in WebXR in Google Chrome on An…4.3
- CVE-2026-14035Insufficient policy enforcement in Bluetooth in Google Chrom…6.5
Are you affected by CVE-2026-1403?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST