CVE-2026-14362: Denial of service via crafted push/pull gossip message in memberlist
Medium · CVSS 4.9 (CVSS 3.1)EPSS 0.25%, 16th percentilePublished Updated Assigner: HashiCorp
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.
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H · CWE-770
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
HashiCorp: Shared library
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- discuss.hashicorp.com/t/hcsec-2026-18-memberlist-vulnerable-to-denial-of-service-via-gossip… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)