Is CVE-2026-1660 actively exploited?

CVE-2026-1660 has no public evidence of in-the-wild exploitation as of 2026-04-23.

What is the CVSS score for CVE-2026-1660?

CVE-2026-1660 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2026-1660?

Patch guidance is available from gitlab security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-1660.

CVE-2026-1660 - remediation guidance & executive summary

Q: Which products are affected by CVE-2026-1660?

6 products: gitlab gitlab, gitlab gitlab, gitlab gitlab, gitlab gitlab, gitlab gitlab, and 1 more.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-770

Metadata

Primary Vendor: GITLAB
Published: 4/22/2026
Last Modified: 4/23/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

gitlab : gitlabgitlab : gitlabgitlab : gitlabgitlab : gitlabgitlab : gitlabgitlab : gitlab

Remediation Guidance

Executive Summary

View on NIST NVD