CVE-2026-110720

CRITICAL
INFO Priority: 0.04 BB Relevance: 70/100
Published: 2026-10-26 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Changed
C: High
I: High
A: High

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.

Weakness Classification (1)

Bug Bounty Relevance

70 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

9.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploitation Probability

0.36%
Raw Score 0.003650
Percentile 30.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00365
2026-10-28
0.00365

Intelligence Sources

mitre ref →
nvd ref →