VDB

CVE-2026-56858

CVE-2026-56858 PUBLISHED CVSS 6.1 MEDIUM

Reported by Go · Published August 13, 2026

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

Risk Scores

CVSS 3.1
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Products

VendorProductVersions
Go standard libraryhtml/template0, 1.26.0-0, 1.27.0-0
wolfiexternal-secrets-operator-2.50, 0, 0
chainguardrancher-2.110, 0
chainguardcrossplane-provider-aws-ram-fips0
wolfiknative-serving-1.22*, *, *
chainguardcrossplane-provider-aws-firehose-fips0
chainguardgatekeeper-fips-3.20*
chainguardamazon-cloudwatch-agent*
chainguardrancher-webhook-0.12*, *
chainguardlonghorn-share-manager-1.110
chainguardinfluxd-2.70
chainguardcrossplane-provider-aws-macie2-fips0
chainguardcrossplane-provider-aws-resourcegroups-fips0
chainguardnewrelic-infra-operator*, *
chainguardvictoriametrics-fips*
wolfipombump*, *, *
wolfigitlab-kas-19.20, 0, 0
chainguardprometheus-mongodb-exporter-0.370, 0
wolfiexternal-secrets-operator-2.60, 0, 0
wolfidynamic-localpv-provisioner*, *, *

…and 2822 more

Timeline

  • Aug 13, 2026 CVE Published
  • Aug 14, 2026 CVE Updated
  • Aug 15, 2026 Coalition ESS Score
  • Aug 20, 2026 Security Advisory
  • Aug 24, 2026 EPSS Score
  • Aug 27, 2026 EPSS Score
  • Aug 28, 2026 Distribution Patch
  • Aug 28, 2026 Distribution Patch
  • Aug 28, 2026 Distribution Patch
  • Aug 29, 2026 Distribution Patch
  • Aug 29, 2026 Security Advisory
  • Aug 29, 2026 Distribution Patch

References

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