Vulnerability · Published Oct 14, 2026 · Assigned by VulnCheck

CVE-2026-110718TurboDocx html-to-docx through 1.23.1 SSRF via img src Remote Image Download

Medium 5.9

In plain English

A medium-severity server-side request forgery in html-to-docx from TurboDocx. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)0.4%top 61.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
TurboDocx	html-to-docx	0 – through 1.23.1

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/H1t1Bbpjfx technical-description, exploit
https://github.com/TurboDocx/html-to-docx/blob/ff08e5687a2c87bcdc182a2e3e130c3493b9fb7e/src/utils/image.js#L286 technical-description
https://github.com/TurboDocx/html-to-docx product
VulnCheck Advisory: TurboDocx html-to-docx through 1.23.1 SSRF via img src Remote Image Download third-party-advisory