CVE-2026-115729

MEDIUM 6.8

@pdfme/common 5.5.10 before 6.2.6 SSRF via isUrlSafeToFetch Bypass

CVSS Score

6.8

EPSS Score

0.0%

EPSS Percentile

0th

@pdfme/common from 5.5.10 before 6.2.6 contains a server-side request forgery vulnerability that allows attackers to bypass the isUrlSafeToFetch denylist in getB64BasePdf. Attackers can supply basePdf URLs using IPv4-mapped IPv6, [::], NAT64 or localhost alias hostnames to read loopback, internal or cloud metadata responses through generated documents.

CWE	CWE-918
Vendor	pdfme
Product	common
Published	Oct 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

pdfme / common

5.5.10 < 6.2.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/pdfme/pdfme/security/advisories/GHSA-2rg9-wxfw-wrr7 github.com: https://github.com/pdfme/pdfme/commit/d03d0bc4994ce6921e152879793c5ff52c5600a6 github.com: https://github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff vulncheck.com: https://www.vulncheck.com/advisories/pdfme-common-5.5.10-before-6.2.6-ssrf-via-isurlsafetofetch-bypass

Credits

Zachariah Mithani (AploSec)