CVE-2026-14362 — MEDIUM (4.9)

Vulnerability Description

HashiCorp memberlist before version 0.6.0 is vulnerable to a denial-of-service issue in its push/pull state handling that may allow 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.

CVSS Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-770

References

https://discuss.hashicorp.com/t/hcsec-2026-18-memberlist-vulnerable-to-denial-of

FAQ

What is CVE-2026-14362?

CVE-2026-14362 is a vulnerability with a CVSS score of 4.9 (MEDIUM). HashiCorp memberlist before version 0.6.0 is vulnerable to a denial-of-service issue in its push/pull state handling that may allow an attacker with network access to the gossip port to exhaust memory...

How severe is CVE-2026-14362?

CVE-2026-14362 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14362?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.