Detections
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SCA: security update for net.sourceforge.plantuml:plantuml (GHSA-hrvf-g648-rf3m)

medium Tenable Self-Hosted Container Security Plugin ID 436818

Description

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

 - Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due
 to insufficient sanitization of interactive attributes in GraphViz diagrams. As a result, a crafted
 PlantUML diagram can inject malicious JavaScript into generated SVG output, leading to arbitrary script
 execution in the context of applications that render the SVG. (CVE-2026-0858)

See Also

https://github.com/advisories/GHSA-hrvf-g648-rf3m

Plugin Details

Severity: Medium

ID: 436818

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 1/17/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: Low

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-2026-0858

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: 2

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/16/2026

Vulnerability Publication Date: 1/16/2026

Reference Information

CVE: CVE-2026-0858

cwe: CWE-79