Consul Community Edition and Consul Enterprise 1.18.0 through 2.0.2 are vulnerable to an authenticated denial of service in the Enterprise-to-Community Edition downgrade path that may allow an authorized caller to crash the Consul server. A caller with config-entry write permission can submit a service-router configuration entry that causes the agent to exit unexpectedly. This vulnerability, CVE-2026-19012, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.
CVE-2026-19012
Score 5.3 from GitHub Security Advisory published 2026-08-07. a secondary CVSS source baseline 5.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(high)
- EG Risk
- 24(Track)EG Risk 24/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 16%
- KEV
- Not listed
Published
August 7, 2026
Last Modified
August 10, 2026
Advisory Details (1)
Auto-updated Aug 7, 2026HCSEC-2026-25 - Multiple vulnerabilities impacting HashiCorp Consul - Security - HashiCorp Discuss
https://discuss.hashicorp.com/t/hcsec-2026-25-multiple-vulnerabilities-impacting-hashicorp-consul/77629Vendor Advisories for CVE-2026-19012(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 19× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-19 12:14 UTCEG score recompute
- 2026-08-19 12:14 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 10:08 UTCEG score recompute
- 2026-08-18 10:08 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 08:00 UTCEG score recompute
- 2026-08-17 08:00 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 05:55 UTCEG score recompute
- 2026-08-16 05:55 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 03:50 UTCEG score recompute
- 2026-08-15 03:50 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 01:44 UTCEG score recompute
- 2026-08-14 01:44 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-12 23:39 UTCEG score recompute
- 2026-08-12 23:39 UTCGHSA enrichment
- 2026-08-12 13:50 UTCEPSS rescore
- 2026-08-11 21:33 UTCEG score recompute
- 2026-08-11 21:33 UTCGHSA enrichment
- 2026-08-11 13:42 UTCEPSS rescore
Show 14 moreShow fewer
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 19:28 UTCEG score recompute
- 2026-08-10 19:28 UTCGHSA enrichment
- 2026-08-10 18:36 UTCEG score recompute
- 2026-08-10 18:36 UTCGHSA enrichment
- 2026-08-10 00:41 UTCEG score recompute
- 2026-08-10 00:41 UTCGHSA enrichment
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-08 22:36 UTCEG score recompute
- 2026-08-08 22:36 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-07 20:30 UTCEG score recompute
- 2026-08-07 19:37 UTCEG score recompute
- 2026-08-07 19:37 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-19012?
When was CVE-2026-19012 disclosed?
Is CVE-2026-19012 actively exploited?
What is the CVSS score of CVE-2026-19012?
How do I remediate CVE-2026-19012?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-19012
Is Your Infrastructure Affected by CVE-2026-19012?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.