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NVD Vulnerability Details :
CVE-2026-0858
Analyzed
More InfoOfficial Page
Source-report@snyk.io
View Known Exploited Vulnerability (KEV) details
Published At-16 Jan, 2026 | 05:16
Updated At-02 Feb, 2026 | 18:52

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.1MEDIUM
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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.16.1MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 6.1
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CPE Matches
plantuml
plantuml
>>plantuml>>Versions before 1.2026.0(exclusive)
cpe:2.3:a:plantuml:plantuml:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-79Secondaryreport@snyk.io
CWE ID: CWE-79
Type: Secondary
Source: report@snyk.io
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bdreport@snyk.io
Patch
https://github.com/plantuml/plantuml/releases/tag/v1.2026.0report@snyk.io
Release Notes
https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230report@snyk.io
Vendor Advisory
Patch
Hyperlink: https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd
Source: report@snyk.io
Resource:
Patch
Hyperlink: https://github.com/plantuml/plantuml/releases/tag/v1.2026.0
Source: report@snyk.io
Resource:
Release Notes
Hyperlink: https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230
Source: report@snyk.io
Resource:
Vendor Advisory
Patch
Change History
0Changes found
Details not found