HashiCorp Consul and Consul Enterprise are vulnerable to a denial of service in the HTTP API that may allow an unauthenticated attacker to exhaust memory on a Consul agent. This vulnerability (CVE-2026-105626) 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-2026-48 - Consul vulnerable to a denial of service in HTTP APIs 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 18:02
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-26 18:34
- StatusReceived → PublishedNVD modified 2026-10-26 18:02
- First seenCVSS 7.5NVD modified 2026-10-26 18:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.