Vulnerability · Published Aug 31, 2026 · Assigned by VulnCheck

CVE-2026-82866@pdfme/common before 5.5.10 SSRF via Unvalidated URL Fetch

Medium 6.8

In plain English

A medium-severity server-side request forgery in common from pdfme. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.8Medium

Exploit odds (30 days)0.3%top 71.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@pdfme/common	5.5.10	GHSA-pgx6-7jcq-2qff

Affected products (as reported)

Vendor	Product	Versions
pdfme	common	0 – before 5.5.10

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

References

GitHub Security Advisory (GHSA-pgx6-7jcq-2qff) vendor-advisory
VulnCheck Advisory: @pdfme/common before 5.5.10 SSRF via Unvalidated URL Fetch third-party-advisory