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Vulnerability Details :

CVE-2026-2808

Summary
Assigner-HashiCorp
Assigner Org ID-67fedba0-ff2e-4543-ba5b-aa93e87718cc
Published At-11 Mar, 2026 | 23:08
Updated At-17 Apr, 2026 | 17:57
Rejected At-
Credits

Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:HashiCorp
Assigner Org ID:67fedba0-ff2e-4543-ba5b-aa93e87718cc
Published At:11 Mar, 2026 | 23:08
Updated At:17 Apr, 2026 | 17:57
Rejected At:
▼CVE Numbering Authority (CNA)
Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider

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.

Affected Products
Vendor
HashiCorp, Inc.HashiCorp
Product
Consul
Repo
https://github.com/hashicorp/consul
Platforms
  • 64 bit
  • 32 bit
  • x86
  • ARM
  • MacOS
  • Windows
  • Linux
Default Status
unaffected
Versions
Affected
  • From 0 before 1.22.5 (semver)
Vendor
HashiCorp, Inc.HashiCorp
Product
Consul Enterprise
Repo
https://github.com/hashicorp/consul
Platforms
  • 64 bit
  • 32 bit
  • x86
  • ARM
  • MacOS
  • Windows
  • Linux
Default Status
unaffected
Versions
Affected
  • From 0 before 1.22.5 (semver)
    • -> unaffectedfrom1.21.11
    • -> unaffectedfrom1.18.21
Problem Types
TypeCWE IDDescription
CWECWE-59CWE-59: Improper Link Resolution Before File Access (Link Following)
Type: CWE
CWE ID: CWE-59
Description: CWE-59: Improper Link Resolution Before File Access (Link Following)
Metrics
VersionBase scoreBase severityVector
3.16.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-23CAPEC-23: File Content Injection
CAPEC ID: CAPEC-23
Description: CAPEC-23: File Content Injection
Solutions
Configurations
Workarounds
Exploits
Credits
This issue was identified by Defang Bo.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
N/A
Hyperlink: https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@hashicorp.com
Published At:12 Mar, 2026 | 00:16
Updated At:12 Mar, 2026 | 21:07

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Type: Secondary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-59Secondarysecurity@hashicorp.com
CWE ID: CWE-59
Type: Secondary
Source: security@hashicorp.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232security@hashicorp.com
N/A
Hyperlink: https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
Source: security@hashicorp.com
Resource: N/A

Change History

0
Information is not available yet

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