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CVE-2026-2808

HashiCorp Consul and Consul Enterprise 1.18.20 up to 1.21.10 and 1.22.4 are vulnerable to arbitrary file read when configured with Kubernetes authentication. This vulnerability, CVE-2026-2808, is fixed in Consul 1.18.21, 1.21.11 and 1.22.5.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1ee280057ce4fa93fea2e1daeb2c962c0167900d5450d6df6b0654cba0b95c1b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Consul Enterprise","repo":"https://github.com/hashicorp/consul","vendor":"HashiCorp","versions":[{"changes":[{"at":"1.21.11","status":"unaffected"},{"at":"1.18.21","status":"unaffected"}],"lessThan":"1.22.5","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/affected/1

{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Consul","repo":"https://github.com/hashicorp/consul","vendor":"HashiCorp","versions":[{"lessThan":"1.22.5","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Consul Enterprise","repo":"https://github.com/hashicorp/consul","vendor":"HashiCorp","versions":[{"changes":[{"at":"1.21.11","status":"unaffected"},{"at":"1.18.21","status":"unaffected"}],"lessThan":"1.22.5","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/affected/1
{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Consul","repo":"https://github.com/hashicorp/consul","vendor":"HashiCorp","versions":[{"lessThan":"1.22.5","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access (Link Following)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4e1f87780a1d6d2e3684dacbb8057377dc848c520cb1d8165b76718aeafb388a · sha256:c290793057243951… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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