Medium severity · published Jul 8, 2026
CVE-2026-14362
Denial of service via crafted push/pull gossip message in memberlist
4.9
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SL
Shared library · HashiCorp
0.1.5 before 0.6.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-14362
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-14362
discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2026-18-memberlist-vulnerable-to-denial-of-service-via-gossip-message/77556
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