CVE-2026-1092 Details
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.
A denial-of-service vulnerability has been addressed in GitLab Community Edition (CE) and Enterprise Edition (EE) versions 12.10 prior to 18.8.9, 18.9 prior to 18.9.5, and 18.10 prior to 18.10.3. The issue allowed an unauthenticated user to disrupt service by exploiting improper input validation of JSON payloads, potentially leading to resource exhaustion.
Users are advised to upgrade to GitLab versions 18.10.3, 18.9.5, or 18.8.9. Instructions for updating GitLab can be found in the GitLab Update documentation. Note that the SLES 12.5 packages for 18.10.3 and 18.9.5 are not present in this release.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 9, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/ | [email protected] | Release NotesVendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/586479 | [email protected] | Broken Link |
| https://hackerone.com/reports/3487030 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1284 | Improper Validation of Specified Quantity in Input | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gitlab gitlab | >= 12.10.0, < 18.8.9 >= 18.9.0, < 18.9.5 >= 18.10.0, < 18.10.3 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 25, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 14, 2026 | Initial Analysis | [email protected] |
| Apr 8, 2026 | New CVE Received | [email protected] |