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VulnerabilityPublished Updated

CVE-2026-2808: HashiCorp Consul · Link Following

Affects HashiCorp ConsulSource CVE Database V5

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Not known to be exploited · CVSS 6.8 Medium : upgrade to 1.22.5 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
6.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.22.5, 1.21.11
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade Consul and Consul Enterprise to 1.22.5; Consul Enterprise to 1.21.11.

Affected software

ProductAffectedFixed in
HashiCorpConsulAffected
  • <1.22.5
Fixed in
  • 1.22.5
HashiCorpConsul EnterpriseAffected
  • <1.21.11
Fixed in
  • 1.22.5
GitHubConsulpkg:github/ConsulOther threatsAffected
  • <1.22.5
Fixed in
  • 1.22.5
GitHubConsul Enterprisepkg:github/Consul EnterpriseOther threatsAffected
  • <1.21.11
Fixed in
  • 1.21.11

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade affected HashiCorp Consul versions to 1.18.21, 1.21.11, or 1.22.5 where the vulnerability is fixed. Since this is an official fix provided by the vendor, applying the update is the recommended remediation. No additional mitigation is indicated by the vendor advisory.

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.

References

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