Vulnerability details

CVE-2026-110720

HashiCorp Tooling

Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules

CVSS 3.1
9.9Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.9Critical 3.1 CVEProject cvelistV5 (CNA) (HashiCorp) CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
HashiCorp Tooling 0.42.0 ≤ v < 2.0.4 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-26
Last updated
2026-10-26
State
Published
Assigner (CNA)
HashiCorp
Kolun priority
22 · Low

Exploit prediction (EPSS)

0.36%
Probability of exploitation in 30 days
30.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-863
    Incorrect Authorization