CVE-2026-129447
Kroki before 0.36.0 Reflected XSS via DBML Table URLs
Description
Kroki before 0.36.0 contains a reflected cross-site scripting vulnerability in the /dbml/svg endpoint that allows unauthenticated attackers to inject javascript: hyperlinks by supplying crafted DBML table url, headercolor, or TableGroup color settings. Attackers can send a crafted SVG link that, when opened and the table header clicked, executes attacker JavaScript in the Kroki origin.
INFO
Published Date :
Nov. 14, 2026, 5:37 p.m.
Last Modified :
Nov. 14, 2026, 5:37 p.m.
Remotely Exploit :
Yes !
Source :
VulnCheck
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Solution
- Update Kroki to version 0.36.0 or later.
- Review and sanitize user-supplied SVG data.
- Implement strict input validation for table settings.
- Avoid rendering untrusted SVG content directly.
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