An issue has been discovered in GitLab CE/EE affecting all versions from 8.14 before 18.0.6, 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed an unauthenticated user to create a denial of service condition by sending specially crafted payloads to specific integration API endpoints.
Conclusion & alert: CVE-2025-1477 is rated Low Risk (38.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.14%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-12-23 | 0.16% | 0.14% | -0.02% |
| 2 | 2025-12-13 | 0.06% | 0.16% | +0.10% |
| 3 | 2025-10-20 | — | 0.06% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-1477 not yet assigned priority: Debian including 1 source packages (gitlab), 1 status rows across 1 suites (sid): open 1. | https://security-tracker.debian.org/tracker/CVE-2025-1477 |
ubuntu
|
medium | CVE-2025-1477 medium priority: Ubuntu including 1 source packages (gitlab), 5 status rows across 5 suites (jammy, noble, plucky, upstream, xenial): DNE 3, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2025-1477 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| gitlab | gitlab | >= 8.1.4, < 18.0.6 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
| gitlab | gitlab | >= 8.1.4, < 18.0.6 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
| gitlab | gitlab | >= 18.1.0, < 18.1.4 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
| gitlab | gitlab | >= 18.1.0, < 18.1.4 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
| gitlab | gitlab | >= 18.2.0, < 18.2.2 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* |
| gitlab | gitlab | >= 18.2.0, < 18.2.2 | cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/issues/520353 | Broken Link |
| https://hackerone.com/reports/2987614 | Permissions Required |