Detections
Analytics

SCA: security update for marimo (GHSA-8m59-7xv8-735h)

medium Tenable Self-Hosted Container Security Plugin ID 443393

Description

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

 - marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that
 allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single
 quotes in the file query parameter reflected into an inline JavaScript string literal. Attackers can craft
 a malicious link with a payload beginning with __new__ to bypass the 404 check and inject JavaScript into
 the page, which executes without Content-Security-Policy restrictions in the origin of a victim's marimo
 server. (CVE-2026-54386)

Solution

Update the marimo library and its related packages to version 0.23.9 or later.

See Also

https://github.com/advisories/GHSA-8m59-7xv8-735h

Plugin Details

Severity: Medium

ID: 443393

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 6/18/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.48

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-54386

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 1.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2026

Vulnerability Publication Date: 6/17/2026

Reference Information

CVE: CVE-2026-54386

cwe: CWE-79