CVE-2026-82866
@pdfme/common before 5.5.10 SSRF via Unvalidated URL Fetch
- State
- Published
- Severity
- 8.9 High
- Published
- Aug 31, 2026
- Updated
- Oct 8, 2026
- Reserved
- Aug 31, 2026
Description
@pdfme/common before 5.5.10 contains a server-side request forgery vulnerability in the getB64BasePdf function that fetches arbitrary URLs without validation when basePdf is attacker-controlled. Attackers who control the basePdf template field can force servers or clients to make requests to internal endpoints, enabling metadata exfiltration, network reconnaissance, and blind request forgery attacks.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.9 High | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N | VulnCheck |
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
commonpdfme |
|
References
- GitHub Security Advisory (GHSA-pgx6-7jcq-2qff)vendor-advisory
- VulnCheck Advisory: @pdfme/common before 5.5.10 SSRF via Unvalidated URL Fetchthird-party-advisory
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