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TI-2026-47425 Aliases CVE-2026-66780GHSA-3xmh-phwc-5f4g

Submariner-operator: broker serviceaccount secret (token + ca) logged in full at trace verbosity

Priority LOW 32CWE-532Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 6 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-532.

Summary

A flaw was found in the submariner-operator component. The `submariner-k8s-broker-cluster` Role, which is assigned to joined clusters, possesses excessive permissions. This allows a compromised cluster to alter network configurations, specifically by overwriting other clusters' endpoint information. Consequently, an attacker can redirect inter-cluster tunnel traffic, enabling a Man-in-the-Middle (MITM) attack across the entire cluster mesh.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00579 47th percentileScored 2026-11-07
Fix Partial Red Hat: 9 advisoriesRed Hat: 6 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.11—1789135606Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.13—1789131397Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.14—1789136328Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.15—1789136327Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.16—1789136320Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.16—1787854416Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.16—1790670243Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.16—1790670912Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.17—1788105072Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.17—1788073481Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.17—1788572527Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2——No fix listedCNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.11 VendorRed Hat Affected — Fixed in 1789135606 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.13 VendorRed Hat Affected — Fixed in 1789131397 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.14 VendorRed Hat Affected — Fixed in 1789136328 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.15 VendorRed Hat Affected — Fixed in 1789136327 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.16 VendorRed Hat Affected — Fixed in 1789136320 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.16 VendorRed Hat Affected — Fixed in 1787854416 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.16 VendorRed Hat Affected — Fixed in 1790670243 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.16 VendorRed Hat Affected — Fixed in 1790670912 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.17 VendorRed Hat Affected — Fixed in 1788105072 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.17 VendorRed Hat Affected — Fixed in 1788073481 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.17 VendorRed Hat Affected — Fixed in 1788572527 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA

CPE names CNA · 7

CPEVersionsRoleVendor
cpe:/a:redhat:acm:2.11::el92.11—Red Hat
cpe:/a:redhat:acm:2.13::el92.13—Red Hat
cpe:/a:redhat:acm:2.14::el92.14—Red Hat
cpe:/a:redhat:acm:2.15::el92.15—Red Hat
cpe:/a:redhat:acm:2.16::el92.16—Red Hat
cpe:/a:redhat:acm:2.17::el92.17—Red Hat
cpe:/a:redhat:acm:22—Red Hat
  • cpe:/a:redhat:acm:2.11::el9 Versions 2.11 — ·Red Hat
  • cpe:/a:redhat:acm:2.13::el9 Versions 2.13 — ·Red Hat
  • cpe:/a:redhat:acm:2.14::el9 Versions 2.14 — ·Red Hat
  • cpe:/a:redhat:acm:2.15::el9 Versions 2.15 — ·Red Hat
  • cpe:/a:redhat:acm:2.16::el9 Versions 2.16 — ·Red Hat
  • cpe:/a:redhat:acm:2.17::el9 Versions 2.17 — ·Red Hat
  • cpe:/a:redhat:acm:2 Versions 2 — ·Red Hat

Remediation

Red Hat 9 advisories

  • RHSA-2026:85227 Released 2026-10-19 · Red Hat rating Important
    Submariner v0.23 security fixes and container updates
    • Red Hat Advanced Cluster Management for Kubernetes 2.16 registry.redhat.io/rhacm2/lighthouse-agent-rhel9, registry.redhat.io/rhacm2/lighthouse-coredns-rhel9, registry.redhat.io/rhacm2/subctl-rhel9 +4
  • RHSA-2026:72880 Released 2026-09-28 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.16.6 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.16 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/console-rhel9, registry.redhat.io/rhacm2/submariner-addon-rhel9
  • RHSA-2026:67543 Released 2026-09-15 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.17.2 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.17 registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9, registry.redhat.io/rhacm2/console-rhel9, registry.redhat.io/rhacm2/grafana-dashboard-loader-rhel9 +3
Show 6 more Red Hat advisories
  • RHSA-2026:67542 Released 2026-09-15 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.16.5 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.16 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9, registry.redhat.io/rhacm2/acm-prometheus-config-reloader-rhel9 +5
  • RHSA-2026:67541 Released 2026-09-15 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.15.7 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.15 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9, registry.redhat.io/rhacm2/acm-prometheus-config-reloader-rhel9 +9
  • RHSA-2026:67540 Released 2026-09-15 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.13.12 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.13 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9, registry.redhat.io/rhacm2/acm-prometheus-config-reloader-rhel9 +5
  • RHSA-2026:67539 Released 2026-09-15 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.14.5 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.14 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9, registry.redhat.io/rhacm2/acm-prometheus-config-reloader-rhel9 +7
  • RHSA-2026:67538 Released 2026-09-15 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.11.12 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.11 registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/console-rhel9, registry.redhat.io/rhacm2/grafana-dashboard-loader-rhel9 +8
  • RHSA-2026:63016 Released 2026-09-03 · Red Hat rating Important
    Submariner v0.24 security fixes and container updates
    • Red Hat Advanced Cluster Management for Kubernetes 2.17 registry.redhat.io/rhacm2/lighthouse-agent-rhel9, registry.redhat.io/rhacm2/lighthouse-coredns-rhel9, registry.redhat.io/rhacm2/subctl-rhel9 +4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat Advanced Cluster Management for Kubernetes 2.11 and 5 more products — RHSA-2026:63016

    7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2026-47432 Lighthouse: lighthouse: arbitrary namespace injection via attacker-controlled broker labelPriority MEDIUM 44
    • TI-2026-47431 Lighthouse: lighthouse: cross-cluster dns spoofing via unvalidated endpointslice ip addressesPriority LOW 39
    • TI-2026-47429 Submariner: submariner: missing validation of remote endpoint subnets and clusterid enables cross-cluster traffic hijackPriority LOW 39
  • Advisory ·

    Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat Advanced Cluster Management for Kubernetes 2.11 and 5 more products — RHSA-2026:85227

    7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2026-47432 Lighthouse: lighthouse: arbitrary namespace injection via attacker-controlled broker labelPriority MEDIUM 44
    • TI-2026-47431 Lighthouse: lighthouse: cross-cluster dns spoofing via unvalidated endpointslice ip addressesPriority LOW 39
    • TI-2026-47429 Submariner: submariner: missing validation of remote endpoint subnets and clusterid enables cross-cluster traffic hijackPriority LOW 39

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Advanced Cluster Management for Kubernetes 2AffectedNo fix yet
Red Hat Advanced Cluster Management for Kubernetes 2.11Fixed RHSA-2026:67538
Red Hat Advanced Cluster Management for Kubernetes 2.13Fixed RHSA-2026:67540
Red Hat Advanced Cluster Management for Kubernetes 2.14Fixed RHSA-2026:67539
Red Hat Advanced Cluster Management for Kubernetes 2.15Fixed RHSA-2026:67541
Red Hat Advanced Cluster Management for Kubernetes 2.16Fixed RHSA-2026:67542, RHSA-2026:72880, RHSA-2026:85227
Red Hat Advanced Cluster Management for Kubernetes 2.17Fixed RHSA-2026:63016, RHSA-2026:67543
Not affected: 6 products
  • Red Hat Advanced Cluster Management for Kubernetes 2.11
  • Red Hat Advanced Cluster Management for Kubernetes 2.13
  • Red Hat Advanced Cluster Management for Kubernetes 2.14
  • Red Hat Advanced Cluster Management for Kubernetes 2.15
  • Red Hat Advanced Cluster Management for Kubernetes 2.16
  • Red Hat Advanced Cluster Management for Kubernetes 2.17

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66780
  2. 2026-10-03 Alias added: GHSA-3xmh-phwc-5f4g
  3. 2026-10-19 Fix available: rhacm2/subctl-rhel9@1790670243, rhacm2/submariner-rhel9-operator@1790670912 · CNA
  4. 2026-10-19 1 new reference · CNA
  5. 2026-10-20 Fix available: RHSA-2026:85227 · Red Hat
  6. 2026-10-20 Affected versions changed · Red Hat

References

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources