CVE-2026-2808CWE-59

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

Medium · published March 11, 2026

CVSS v3.1
6.8
EPSS
1%
Percentile
46.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00570 · 46.4th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-03-11T23:08Z
EPSS history
Timeline
  • 11 MAR 23:08Z
    Consul vulnerable to arbitrary file reads through the vault kubernetes authentication provider
    cvelistv5