Answer in brief
CVE-2025-11065 records a Medium severity (CVSS 5.3) vulnerability in Github.com/go-viper/mapstructure/v2: go-viper's mapstructure may leak sensitive information in logs in github.com/go-viper/mapstructure. The current sources do not mark it as known exploited. The current feed maps github.com/go-viper/mapstructure/v2 (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. 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 github.com/go-viper/mapstructure/v2 (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| github.com/go-viper/mapstructure/v2go | >=0 <2.4.0 | 2.4.0 |
Published upstream
Jan 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 25, 2026
A flaw was found in github.com/go-viper/mapstructure/v2, in the field processing component using mapstructure.WeakDecode. This vulnerability allows information disclosure through detailed error messages that may leak sensitive input values via malformed user-supplied data processed in security-critical contexts.
Quoted source text, attributed separately from HOL analysis.