{"id":"CVE-2023-3518","aliases":["GHSA-9rhf-q362-77mx","BIT-consul-2023-3518","GO-2024-2704"],"title":"Consul JWT Auth in L7 Intentions Allow for Mismatched Service Identity and JWT Providers","summary":"Consul JWT Auth in L7 Intentions Allow for Mismatched Service Identity and JWT Providers","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","vendor":"hashicorp","product":"github.com/hashicorp/consul","ecosystem":"go","affected":["github.com/hashicorp/consul >= 1.16.0, < 1.16.1"],"patched":["github.com/hashicorp/consul 1.16.1"],"published":"2023-08-09","updated":"2026-08-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-9rhf-q362-77mx","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3518"},{"url":"https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004"},{"url":"https://github.com/hashicorp/consul"}],"tags":["osv","go"],"epss":0.00447,"epssPercentile":0.38284,"ingestedAt":"2026-08-07T19:14:16.541Z","slug":"CVE-2023-3518","body":"## Overview\n\nA vulnerability was identified in Consul such that using JWT authentication for service mesh incorrectly allows/denies access regardless of service identities. This vulnerability, CVE-2023-3518, affects Consul 1.16.0 and was fixed in 1.16.1.\n\n## Affected packages\n\n- `github.com/hashicorp/consul >= 1.16.0, < 1.16.1`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/hashicorp/consul 1.16.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}