Detections
Analytics

SCA: security update for msgpack5 (GHSA-8f34-f56x-9xph)

high Tenable Cloud Security Plugin ID 473892

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - msgpack5 is a msgpack v5 implementation for node.js and the browser. Prior to 6.1.0, the decoder reads the
 four-byte length of a map32 value before validating that the complete five-byte header is available. A
 truncated map32 header therefore causes a checked out-of-bounds buffer read and throws RangeError instead
 of IncompleteBufferError, which can unexpectedly terminate a request, stream, or worker in applications
 that wait for additional bytes after IncompleteBufferError. There is no adjacent-memory disclosure because
 the buffer implementation checks bounds. This issue is fixed in version 6.1.0. (CVE-2026-107302)

Solution

Update the msgpack5 library and its related packages to version 6.1.0 or later.

See Also

https://github.com/advisories/GHSA-8f34-f56x-9xph

Plugin Details

Severity: High

ID: 473892

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 10/8/2026

Updated: 10/19/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-107302

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/8/2026

Vulnerability Publication Date: 10/8/2026

Reference Information

CVE: CVE-2026-107302

cwe: CWE-125