SCA: security update for seroval (GHSA-hx9m-jf43-8ffr)

high Tenable Self-Hosted Container Security Plugin ID 436854

Description

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

- seroval facilitates JS value stringification, including complex structures beyond JSON.stringify
capabilities. In versions 0.2.0 through 1.4.0, overriding RegExp serialization with extremely large
patterns can exhaust JavaScript runtime memory during deserialization. Additionally, overriding RegExp
serialization with patterns that trigger catastrophic backtracking can lead to ReDoS (Regular Expression
Denial of Service). This issue has been fixed in version 1.4.1. (CVE-2026-23956)

See Also

https://github.com/advisories/GHSA-hx9m-jf43-8ffr

Plugin Details

Severity: High

ID: 436854

Version: Revision 1.13

Type: Local

Family: SCA Checks

Published: 1/21/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

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-2026-23956

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: 1/21/2026

Vulnerability Publication Date: 1/21/2026

Reference Information

CVE: CVE-2026-23956