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Vulnerability record · CVE-2023-3518 · published 9 August 2023

CVE-2023-3518: Hashicorp consul vulnerability

Hashicorp · Consul

HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in 1.16.1.

7.3 CVSS 3.1 High EPSS 0.45% · top 63.3% CWE-266 · CWE-266
7.3CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in 1.16.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-3518), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.