CVE-2026-41150
MEDIUMMermaid Gantt Charts - Infinite Loop Denial of Service
Title source: manualDescription
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.
References (5)
Core 5
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/mermaid-js/mermaid/security/advisories/GHSA-6m6c-36f7-fhxh
X_Refsource_Misc x_refsource_misc
https://github.com/mermaid-js/mermaid/commit/a59ea56174712ee5430dfd5bc877cb5151f501a6
X_Refsource_Misc x_refsource_misc
https://github.com/mermaid-js/mermaid/commit/faafb5d49106dd32c367f3882505f2dd625aa30e
X_Refsource_Misc x_refsource_misc
https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.15.0
X_Refsource_Misc x_refsource_misc
https://github.com/mermaid-js/mermaid/releases/tag/v10.9.6
Scores
CVSS v3
5.3
EPSS
0.0038
EPSS Percentile
29.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-835
Status
published
Products (5)
mermaid-js/mermaid
< 10.9.6
mermaid-js/mermaid
>= 11.0.0-alpha.1, < 11.15.0
mermaid_project/mermaid
< 10.9.6
npm/mermaid
0 - 10.9.6npm
npm/mermaid
11.0.0-alpha.1 - 11.15.0npm
Published
May 29, 2026
Tracked Since
May 29, 2026