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CVE-2026-14362

Denial of service via crafted push/pull gossip message in memberlist

MEDIUM
4.9
CVSS Score
Published: July 8, 2026 at 05:14 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorShared Library

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Shared Library· Hashicorp
90%
0.1.5 ≤ v < 0.6.00.1.5

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://discuss.hashicorp.com/t/hcsec-2026-18-memberlist-vulnerable-to-denial-of-service-via-gossip-message/77556

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMHashiCorp
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770

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