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CVE-2026-2808

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

Published: Mar 11, 2026Updated: Mar 12, 2026 Sources: CVE List NVD BDUCWE-59
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
0.5%
Top 62.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-59

Affected Products

ConsulHashiCorp
On-prem
Cloud & SaaS / api-gateway
Consul EnterpriseHashiCorp
On-prem
Cloud & SaaS / api-gateway
OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
Suse Linux Enterprise ServerNovell Inc.
On-premOS
Operating Systems / linux-distro
hashicorpcommercialUSCloud & SaaSaka hashicorp inc.
novell inc.commercialUSOperating Systems
and 3 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
discuss.hashicorp.com
https://www.suse.com/security/cve/CVE-2026-2808.html
suse.com
and 2 more references View all →

Timeline

Published
Mar 11, 2026
Last Updated
Mar 12, 2026

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