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Vulnerability record · CVE-2026-0958 · published 11 February 2026

CVE-2026-0958: Gitlab interpretation conflict vulnerability

Gitlab · Gitlab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.

7.5 CVSS 3.1 High EPSS 0.40% · top 68.2% CWE-436 · Interpretation conflict
7.5CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/ Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/586202 Broken LinkIssue Tracking
https://hackerone.com/reports/3463363 Permissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-0958), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.