CVE-2026-19014
CVE-2026-19014 · Uncontrolled resource consumption in the Consul Connect authorization endpoint
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Consul Community Edition and Consul Enterprise 1.17.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect authorization endpoint that may allow a caller to grow the agent's intention-match cache without bound, defeating the operator's cache-disable configuration. This vulnerability, CVE-2026-190124, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
CVSS 4.3 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
consul
- Versions
- ≥ 1.17.0, < 2.0.3: Affected (semver)
Update to 2.0.3
consul enterprise
- Versions
- ≥ 1.17.0, < 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