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Vulnerability record · CVE-2026-82866 · published 31 August 2026

CVE-2026-82866: Server-side request forgery (SSRF) vulnerability

@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.

8.9 CVSS 4.0 High EPSS 0.35% · top 74.3% CWE-918 · Server-side request forgery (SSRF) Deferred
8.9CVSS 4.0 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
10 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-82866), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.