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Description

Diagram's export module is vulnerable to Path Traversal in src attribute due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include local files from the server and display them in the generated pdf. This issue was fixed in version 1.1.1.

PUBLISHED Reserved 2026-04-27 | Published 2026-05-15 | Updated 2026-05-15 | Assigner CERT-PL




CRITICAL: 9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

Problem types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status
unaffected

1.0.0 (semver) before 1.1.1
affected

Credits

Łukasz Jaworski (Pentest Limited) finder

Tomasz Holeksa (Pentest Limited) finder

References

cert.pl/en/posts/2026/05/CVE-2026-7182 third-party-advisory

docs.dhtmlx.com/diagram/whats_new/ release-notes

dhtmlx.com/docs/products/dhtmlxDiagram/ product

cve.org (CVE-2026-7182)

nvd.nist.gov (CVE-2026-7182)

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