CVE-2026-87090High· 8.3▾ TwilightConsul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node's catalog registration and take over its node identity. An attacker wit…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.7 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
0.2% → 0.4%
Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node's catalog registration and take over its node identity. An attacker with a token granting node-write permission on any single node name may exploit this issue if they can obtain the node ID of a node they do not control. This vulnerability (CVE-2026-87090) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.
Consul >= 0.1.0 < 2.0.4consul_enterprise >= 0.1.0 < 2.0.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-87107Medium· 5.4Consul vulnerable to an authorization bypass in the catalog deregistration path
CVE-2026-110720Critical· 9.9Consul-k8s vulnerable to a cross-namespace authorization bypass in component ACL binding rules
CVE-2026-105765High· 7.5Consul vulnerable to an authorization bypass in the agent's service mesh leaf certificate API
CVE-2026-105608High· 8.8Consul vulnerable to an authorization bypass in service mesh registration
CVE-2026-105626High· 7.5Consul vulnerable to a denial of service in HTTP APIs
CVE-2026-115804Medium· 6.4Consul vulnerable to an authorization bypass in health check registration