Vulnerabilities

Vulnerability · CVE-2026-14362

HCSEC-2026-18 - Memberlist vulnerable to denial of service via gossip message

Published Jul 8, 2026 · HashiCorp

Open the advisory

Exploitation likelihood is not on this record for CVE-2026-14362. A missing EPSS score is not a low risk. Compare HashiCorp with the linked advisory before you change production.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Not in the current FIRST EPSS dataset
Remediation
Not established
Affected products
HashiCorp

...llow an attacker with network access to the gossip port to exhaust memory on a receiving node and cause the process to terminate. This vulnerability (CVE-2026-14362) is fixed in memberlist 0.6.0. Background HashiCorp memberlist is a Go library that manages cluster membership and failure detection using...

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-14362

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2026-14362. A missing EPSS score is not a low risk. Compare HashiCorp with the linked advisory before you change production.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 8, 2026 · HashiCorp Security

    Detected

    ...llow an attacker with network access to the gossip port to exhaust memory on a receiving node and cause the process to terminate. This vulnerability (CVE-2026-14362) is fixed in memberlist 0.6.0. Background HashiCorp memberlist is a Go library that manages cluster membership and failure detection using...

Sources

  • CVE.orgVulnerability recordCVE-2026-14362

    Official CVE identifier

    cve.org
  • HashiCorp SecurityVendor advisoryCVE-2026-14362

    ...llow an attacker with network access to the gossip port to exhaust memory on a receiving node and cause the process to terminate. This vulnerability (CVE-2026-14362) is fixed in memberlist 0.6.0. Background HashiCorp memberlist is a Go library that manages cluster membership a

    discuss.hashicorp.com

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.