CVE-2025-10858 | Allocation of Resources Without Limits or Throttling in GitLab

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.

Published: 2025-09-26 Last update: 2025-09-29 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2025-10858

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-10858

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-10858

OS Trackers for CVE-2025-10858

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

Affected software / configurations for 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:*:*:*

References for CVE-2025-10858

cvelogic Threat Intelligence