CVE-2025-11065

Github.com/go-viper/mapstructure/v2: go-viper's mapstructure may leak sensitive information in logs in github.com/go-viper/mapstructure

publishedCWE-209

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.

Technical severity5.3 mediumCVSS 3.1 · CNA: redhat

Published2026-01-26Source updated 2026-11-05

Collected2026-11-053 attributed sources

Fixes and workarounds

Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Source: CNA: redhat

Fix

github.com/go-viper/mapstructure/v2 (Go): OSV reports a fixed version 2.4.0. Check the advisory for supported release branches.

Source: OSV GHSA-2464-8j7c-4cjm

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
`github.com/go-viper/mapstructure/v2` https://github.com/go-viper/mapstructure/	≥ 0; < 2.4.0 (affected, semver) Other versions: unaffected	CNA: redhat
OpenShift Pipelines Red Hat `openshift-pipelines-client` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Management for Kubernetes 2 Red Hat `rhacm2/acm-grafana-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Management for Kubernetes 2 Red Hat `rhacm2/submariner-rhel9-operator` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Security 4 Red Hat `advanced-cluster-security/rhacs-central-db-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Security 4 Red Hat `advanced-cluster-security/rhacs-main-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Security 4 Red Hat `advanced-cluster-security/rhacs-rhel8-operator` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Security 4 Red Hat `advanced-cluster-security/rhacs-roxctl-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Security 4 Red Hat `advanced-cluster-security/rhacs-scanner-v4-db-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Advanced Cluster Security 4 Red Hat `advanced-cluster-security/rhacs-scanner-v4-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Certification for Red Hat Enterprise Linux 8 Red Hat `redhat-certification-preflight` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Certification Program for Red Hat Enterprise Linux 9 Red Hat `redhat-certification-preflight` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Enterprise Linux 10 Red Hat `gvisor-tap-vsock` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Enterprise Linux 10 Red Hat `opentelemetry-collector` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Enterprise Linux 10 Red Hat `toolbox` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Enterprise Linux 9 Red Hat `gvisor-tap-vsock` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Enterprise Linux 9 Red Hat `opentelemetry-collector` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Enterprise Linux 9 Red Hat `toolbox` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift AI (RHOAI) Red Hat `rhoai/odh-model-registry-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift AI (RHOAI) Red Hat `rhoai/odh-rhel9-operator` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift Container Platform 4 Red Hat `microshift` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: unknown	CNA: redhat
Red Hat OpenShift Container Platform 4 Red Hat `openshift` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift Container Platform 4 Red Hat `openshift4/ose-helm-operator` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift Container Platform 4 Red Hat `openshift4/ose-helm-rhel9-operator` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift Container Platform 4 Red Hat `podman` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift Dev Spaces Red Hat `devspaces/traefik-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift Dev Spaces Red Hat `devspaces/udi-base-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: unaffected	CNA: redhat
Red Hat OpenShift Dev Spaces Red Hat `devspaces/udi-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: unaffected	CNA: redhat
Red Hat OpenShift distributed tracing 3 Red Hat `rhosdt/opentelemetry-collector-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift GitOps Red Hat `openshift-gitops-1/argocd-rhel8` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat OpenShift GitOps Red Hat `openshift-gitops-1/argocd-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Application Pipeline Red Hat `rhtap-task-runner/rhtap-task-runner-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/cosign-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/fulcio-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/gitsign-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/rekor-backfill-redis-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/rekor-cli-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/rekor-server-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Red Hat Trusted Artifact Signer Red Hat `rhtas/timestamp-authority-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Zero Trust Workload Identity Manager - Tech Preview Red Hat `zero-trust-workload-identity-manager/spiffe-spire-agent-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Zero Trust Workload Identity Manager - Tech Preview Red Hat `zero-trust-workload-identity-manager/spiffe-spire-oidc-discovery-provider-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Zero Trust Workload Identity Manager - Tech Preview Red Hat `zero-trust-workload-identity-manager/spiffe-spire-server-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
Zero Trust Workload Identity Manager - Tech Preview Red Hat `zero-trust-workload-identity-manager/zero-trust-workload-identity-manager-rhel9` https://access.redhat.com/downloads/content/package-browser/	Range not reported Other versions: affected	CNA: redhat
github.com/go-viper/mapstructure/v2 `github.com/go-viper/mapstructure/v2` Go	≥ 0; < 2.4.0 (affected, semver); OSV events: introduced 0; fixed 2.4.0 Source events (semver) `[ { "introduced": "0" }, { "fixed": "2.4.0" } ]` Other versions: unaffected	OSV GHSA-2464-8j7c-4cjm

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
3.1 / 5.3 medium	`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N`	CNA: redhat

Exploit evidence

https://github.com/go-viper/mapstructure/security/advisories/GHSA-2464-8j7c-4cjm
exploit · ADP: CISA-ADP

References

https://access.redhat.com/security/cve/CVE-2025-11065CNA: redhat · vdb-entry, x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2391829CNA: redhat · issue-tracking, x_refsource_REDHAT
https://github.com/go-viper/mapstructure/commit/742921c9ba2854d27baa64272487fc5075d2c39cCNA: redhat
https://github.com/go-viper/mapstructure/security/advisories/GHSA-2464-8j7c-4cjmCNA: redhat
https://github.com/go-viper/mapstructure/security/advisories/GHSA-2464-8j7c-4cjmADP: CISA-ADP · exploit
https://github.com/advisories/GHSA-2464-8j7c-4cjmOSV / GitHub Security Advisories · advisory
https://osv.dev/vulnerability/GHSA-2464-8j7c-4cjmOSV / GitHub Security Advisories · osv

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