HOMEVULNERABILITIESCVE-2026-32254
HIGH

CVE-2026-32254

CWE-284Published: March 18, 2026· Updated: Mar 19, 2026

7.1
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:9.7th

Official Description

Kube-router is a turnkey solution for Kubernetes networking. Prior to version 2.8.0, Kube-router's proxy module does not validate externalIPs or loadBalancer IPs before programming them into the node's network configuration. Version 2.8.0 contains a patch for the issue. Available workarounds include enabling DenyServiceExternalIPs feature gate, deploying admission policy, restricting service creation RBAC, monitoring service changes, and applying BGP prefix filtering.

NVD Source

Technical Analysis

CVE-2026-32254 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Affected Vendors & Products

kube-router1 product
kube-router
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456
PATCHhttps://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g
PATCHhttps://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g

All References (4)

→
https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456Patch
→
https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0Product · Release Notes
→
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8gExploit · Mitigation · Patch · Vendor Advisory
→
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8gExploit · Mitigation · Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2026-32254
CVSS Score7.1 / 10
SeverityHIGH
WeaknessCWE-284
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedMar 18, 2026

Related CVEs (CWE-284)

CVE-2026-34908
KEV10.0
CVE-2026-35307
10.0
CVE-2026-48907
KEV10.0
CVE-2026-30966
10.0
CVE-2026-50746
10.0
CVE-2026-32737
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-32254 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2026-32254·NVD