Chainguard: unleash: security update to 8.2.0-r5

medium Tenable Self-Hosted Container Security Plugin ID 473516

Description

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

- joi before versions 17.13.8 and 18.2.9 contains a prototype pollution vulnerability in the messages
compilation function that accepts __proto__ as an error code. Attackers can supply __proto__ keys in
custom messages to replace the returned object's prototype, breaking downstream code relying on
Object.prototype methods. (CVE-2026-90771)

Solution

Update the unleash library and its related packages to version 8.2.0-r5 or later.

Plugin Details

Severity: Medium

ID: 473516

Version: Revision 1.1

Type: Local

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2026-90771

CVSS v3

Risk Factor: Low

Base Score: 3.7

Temporal Score: 3.2

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/13/2026

Reference Information

CVE: CVE-2026-90771