CVE-2026-82866

@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.

CVSS 4.0

8.9CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

CVSS 3.1

6.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)

CWE

CWE-918

Published

2026-08-31

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Packages (OSV)

References

• https://github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff
• https://www.vulncheck.com/advisories/pdfme-common-before-5.5.10-ssrf-via-unvalidated-url-fetch
• https://github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff

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