VDB

GO-2026-5021

GO-2026-5021 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from OSV · Published May 22, 2026

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
kyverno-fips-1.14Chainguard1.14.5-r12
harbor-2.12Chainguard2.12.4-r43
gitlab-rails-ce-fips-19.0Chainguard19.0.1-r1
gitlab-workhorse-ce-18.9Chainguard18.9.8-r12
k3s-1.34Chainguard1.34.6.1-r11
opentofu-1.11Wolfi1.11.14-r6
mattermost-11.4Wolfi11.4.5-r10
prometheus-2.51Chainguard2.51.2-r56
knative-kafka-broker-1.20Chainguard1.20.3-r4
etcd-3.4Chainguard3.4.45-r0
mattermost-11.1Wolfi11.1.3-r3
istio-1.26Chainguard1.26.8-r4

67 more packages have a fixed version. See every fix in Lookup.

Risk scores

CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

VendorProductVersions
chainguardlinkerd2*
chainguardopensearch-datasource-fips*
chainguardprometheus-operator-fips*
chainguardterraform-docs-fips*
chainguardgrafana-mimir-fips-3.0*
chainguardgrept*
wolfidistribution*
chainguardgcp-compute-persistent-disk-csi-driver-1.25*
chainguardcrossplane-function-go-templating-fips*
chainguardazure-service-operator*
chainguardcrossplane-provider-kubernetes-fips*
chainguardhaproxy-ingress-0.13*
chainguardmonstache*
chainguardsftpgo-plugin-pubsub*
chainguardterraform-provider-google-fips*
chainguardprometheus-3.12*
chainguardnewrelic-k8s-metrics-adapter*
wolfikubernetes-dashboard-auth*
chainguardkyverno-fips-1.140
chainguardmongo-tools*

…and 957 more

Timeline

  • May 22, 2026 CVE Published

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln GO-2026-5021
vulnetix vdb fixes GO-2026-5021

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GO-2026-5021/fixes/registry"

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