Answer in brief
CVE-2023-3906 records a Unknown severity vulnerability in Improper Validation of Specified Type of Input in GitLab. The current sources do not mark it as known exploited. The current feed maps GitLab/GitLab (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps GitLab/GitLab (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GitLab/GitLabgeneric | >=12.3 <16.2.8 || >=16.3 <16.3.5 || >=16.4 <16.4.1 | 16.2.8, 16.3.5, 16.4.1 |
Published upstream
Sep 29, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 14, 2026
An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-3906 records a Unknown severity vulnerability in Improper Validation of Specified Type of Input in GitLab. The current sources do not mark it as known exploited. The current feed maps GitLab/GitLab (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps GitLab/GitLab (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| GitLab/GitLabgeneric | >=12.3 <16.2.8 || >=16.3 <16.3.5 || >=16.4 <16.4.1 | 16.2.8, 16.3.5, 16.4.1 |
Published upstream
Sep 29, 2023
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 14, 2026
An input validation issue in the asset proxy in GitLab EE, affecting all versions from 12.3 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1, allowed an authenticated attacker to craft image urls which bypass the asset proxy.
Quoted source text, attributed separately from HOL analysis.