---
id: CVE-2026-115729
title: '@pdfme/common 5.5.10 before 6.2.6 SSRF via isUrlSafeToFetch Bypass'
summary: >-
  @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, [::],
  N…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-918
vendor: pdfme
product: common
affected:
  - common >= 5.5.10 < 6.2.6
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-29T17:39:47.750176Z'
exploitAvailable: true
published: '2026-10-23'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T17:40:19.138Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115729'
references:
  - url: 'https://github.com/pdfme/pdfme/security/advisories/GHSA-2rg9-wxfw-wrr7'
    label: GitHub Security Advisory (GHSA-2rg9-wxfw-wrr7)
  - url: >-
      https://github.com/pdfme/pdfme/commit/d03d0bc4994ce6921e152879793c5ff52c5600a6
  - url: 'https://github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff'
    label: GitHub Security Advisory (GHSA-pgx6-7jcq-2qff)
  - url: >-
      https://www.vulncheck.com/advisories/pdfme-common-5.5.10-before-6.2.6-ssrf-via-isurlsafetofetch-bypass
    label: >-
      VulnCheck Advisory: @pdfme/common 5.5.10 before 6.2.6 SSRF via
      isUrlSafeToFetch Bypass
tags:
  - cve.org
  - exploit-available
epss: 0.00443
epssPercentile: 0.3849
ingestedAt: '2026-10-23T13:24:55.506Z'
---

## Overview

@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.

## Affected

- `common >= 5.5.10 < 6.2.6`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.