What’s Vulnerable › Vulnerabilities

CVE-2023-3518: JWT Auth in L7 Intentions Allow For Mismatched Service Identity and JWT Providers for Access

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-09 · updated 2026-06-17
• Weakness: CWE-266

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.

Affected products

• HashiCorp Consul: 1.16.0, 1.16.0-rc1

References

• https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004
• https://discuss.hashicorp.com/t/hcsec-2023-25-consul-jwt-auth-in-l7-intentions-allow-for-mismatched-service-identity-and-jwt-providers/57004

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