CVE-2026-19015
CVE-2026-19015 · Uncontrolled resource consumption in the Consul Connect CA roots endpoint
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable configuration. This vulnerability, CVE-2026-19015, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
CVSS 5.3 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
consul
- Versions
- ≥ 1.2.0, < 2.0.3: Affected (semver)
Update to 2.0.3
consul enterprise
- Versions
- ≥ 1.2.0, < 2.0.3: Affected; ≥ 1.21.17: Not affected; ≥ 1.22.11: Not affected (semver)
Update to 1.21.17
consul Debian:11
- Versions
- 1.10.12+dfsg1-1
- 1.8.7+dfsg1-2
- 1.8.7+dfsg1-3
- 1.8.7+dfsg1-4
- 1.8.7+dfsg1-5
- 1.8.7+dfsg1-6
- 1.9.17+dfsg2-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
consul Ubuntu:18.04:LTS
- Versions
- 0.6.4~dfsg-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
consul Ubuntu:20.04:LTS
- Versions
- 1.0.7~dfsg1-5ubuntu1
- 1.4.4~dfsg1-2ubuntu2
- 1.5.2+dfsg1-6
- 1.5.2+dfsg1-10
- 1.5.2+dfsg1-12
- 1.5.2+dfsg2-14
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
consul Ubuntu:22.04:LTS
- Versions
- 1.7.4+dfsg1-1
- 1.8.7+dfsg1-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published