An issue was discovered in GitLab CE/EE affecting all versions before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that allows unauthenticated users to cause a Denial of Service (DoS) condition while uploading specifically crafted large JSON files.
Conclusion & alert: CVE-2025-10858 is rated Moderate Risk (42/100): CVSS High severity, with low exploitation likelihood (EPSS 0.14%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-04 | 0.16% | 0.14% | -0.02% |
| 2 | 2026-02-01 | 0.06% | 0.16% | +0.10% |
| 3 | 2025-12-12 | — | 0.06% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-10858 unimportant priority: Debian including 1 source packages (gitlab), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2025-10858 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gitlab | gitlab | < 18.2.7 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
| gitlab | gitlab | < 18.2.7 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
| gitlab | gitlab | >= 18.3.0, < 18.3.3 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
| gitlab | gitlab | >= 18.3.0, < 18.3.3 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
| gitlab | gitlab | 18.4.0 | cpe:2.3:a:gitlab:gitlab:18.4.0:*:*:*:community:*:*:* |
| gitlab | gitlab | 18.4.0 | cpe:2.3:a:gitlab:gitlab:18.4.0:*:*:*:enterprise:*:*:* |
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/570034 | Broken Link |