HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability (CVE-2026-115804) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.
Fix
Vendor advisories in the News 1
- HCSEC-2026-49 - Consul vulnerable to an authorization bypass in health check registration HashiCorp security bulletins · 2026-10-26
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 6
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 19:38
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 20:17
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-26 18:09
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 18:34
- StatusReceived → PublishedNVD modified 2026-10-26 18:09
- First seenCVSS 6.4NVD modified 2026-10-26 18:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.