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No exploitation reported

CVE-2026-110720

No exploitation reported by the sources we read.

  • Published2026-10-26
  • WeaknessCWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18.

Timeline

dates in UTC
  1. 2026-10-2619:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-27 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-110720?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-110720?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-110720 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-27
  • CISA-ADPSSVC decisionnone2026-10-26
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.19.9read 2026-10-27
  • CNAweakness (CWE)CWE-863read 2026-10-27

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
2026-10-26
Last Modified
2026-10-26
NVD status
Received

Frequently asked questions

What is CVE-2026-110720?

Consul-k8s versions 0.42.0 and later are vulnerable to a cross-namespace authorization bypass in component ACL binding rules that may allow an attacker to obtain elevated Consul privileges. This vulnerability (CVE-2026-110720) is fixed in consul-k8s 2.1.0 and 1.8.18.

Is CVE-2026-110720 actively exploited?

Active exploitation of CVE-2026-110720 has not been confirmed.

What is the CVSS score for CVE-2026-110720?

CVE-2026-110720 has a CVSS v3 base score of 9.9 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

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