SCA: security update for elysia (GHSA-8hq9-phh3-p2wp)

medium Tenable Self-Hosted Container Security Plugin ID 438885

Description

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

- Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation, and
client-server communication. Prior to version 1.4.27, an Elysia cookie can be overridden by prototype
pollution , eg. `__proto__`. This issue is patched in 1.4.27. As a workaround, use t.Cookie validation to
enforce validation value and/or prevent iterable over cookie if possible. (CVE-2026-31865)

Solution

Update the elysia library and its related packages to version 1.4.27 or later.

See Also

https://github.com/advisories/GHSA-8hq9-phh3-p2wp

Plugin Details

Severity: Medium

ID: 438885

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 3/17/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-31865

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/17/2026

Vulnerability Publication Date: 3/17/2026

Reference Information

CVE: CVE-2026-31865