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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-41150

25
FAUCET Score

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.6 and 11.15.0, there is a denial-of-service attack when rendering gantt charts, if they use the excludes attribute to exclude all dates. mermaid.parse is unaffected, unless you then call the ganttDb.getTasks() (which is called when rendering a diagram). This vulnerability is fixed in 10.9.6 and 11.15.0.

First published: May 29, 2026Last modified: May 29, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 10.9.6CPE matchmatch criteria
cpe:2.3:a:mermaid_project:mermaid:*:*:*:*:*:node.js:*:*
>= 11.0.0, < 11.15.0CPE matchmatch criteria
cpe:2.3:a:mermaid_project:mermaid:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
LOW
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
31.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 19th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: mermaidFixed in: 11.15.0
npmpatch availablevia ghsa
Product: mermaidFixed in: 10.9.6

Vendor Advisories (1)

npmGHSA-6m6c-36f7-fhxhmedium

Mermaid Gantt Charts are vulnerable to an Infinite Loop DoS

May 11, 2026

References

github.com / mermaid-js/mermaid/commit/a59ea56174712ee5430dfd5bc877cb5151f501a6
Patch
github.com / mermaid-js/mermaid/commit/faafb5d49106dd32c367f3882505f2dd625aa30e
Patch
github.com / mermaid-js/mermaid/releases/tag/mermaid%4011.15.0
Release Notes
github.com / mermaid-js/mermaid/releases/tag/v10.9.6
Release Notes
github.com / mermaid-js/mermaid/security/advisories/GHSA-6m6c-36f7-fhxh
Third Party Advisory