CVE-2026-1403

CVE Enrichment

CVSS: 6.5 MEDIUM
EPSS: 0.33%
EPSS Percentile: 25.96%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 08-Oct-2026 04:17
Last Modified: 09-Oct-2026 04:02
EPSS Date: 2026-11-05
CWE: CWE-770

CVSS Vector


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

CNA Products / Version Status

GitLab · GitLab Source: CNA · [email protected]
Default status: unaffected

11.7 ≤ version < 18.8.9 — affected (semver)
18.9 ≤ version < 18.9.5 — affected (semver)
18.10 ≤ version < 18.10.3 — affected (semver)

CPEs: cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

repo: https://gitlab.com/gitlab-org/gitlab

References

Last enrichment sync: 06-Nov-2026 18:01
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE-2026-1403: A CSV import flaw allowing authenticated users to disrupt Sidekiq workers (CVSS 6.5). GitLab Patches 12 Vulnerabilities, Including High-Severity WebSocket Flaw

CVE (11)

People (6)

Vendors (1)

Products (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.