CVE-2026-110718
TurboDocx html-to-docx through 1.23.1 SSRF via img src Remote Image Download
- State
- Published
- Severity
- 8.2 High
- Published
- Oct 14, 2026
- Updated
- Oct 14, 2026
- Reserved
- Oct 14, 2026
Description
TurboDocx html-to-docx through 1.23.1 contains a server-side request forgery vulnerability that allows attackers supplying HTML to make the server fetch internal URLs via img src attributes. Attackers can reference loopback, private, or cloud metadata addresses that bypass the loose isValidUrl() check, and read responses embedded in the generated DOCX word/media folder.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.2 High | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.9 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
html-to-docxTurboDocx |
|
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/H1t1Bbpjfxtechnical-descriptionexploit
- https://github.com/TurboDocx/html-to-docx/blob/ff08e5687a2c87bcdc182a2e3e130c3493b9fb7e/src/utils/image.js#L286technical-description
- https://github.com/TurboDocx/html-to-docxproduct
- VulnCheck Advisory: TurboDocx html-to-docx through 1.23.1 SSRF via img src Remote Image Downloadthird-party-advisory
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