Server-Side Request Forgery in pdfmake by bpampuch
CVE-2026-26801

7.5HIGH

Key Information:

Vendor

bpampuch

Status
pdfmake
Vendor
CVE Published:
10 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-26801?

A Server-Side Request Forgery (SSRF) vulnerability exists in pdfmake versions 0.3.0-beta.2 through 0.3.5. This flaw enables a remote attacker to exploit the src/URLResolver.js component, potentially allowing access to sensitive information from the server. To mitigate this risk, version 0.3.6 introduces the setUrlAccessPolicy() method, which empowers server operators to establish specific rules for URL access. Additionally, a warning is logged when pdfmake operates server-side without an outlined access policy, enhancing security awareness.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-26801-pdfmake-ssrf
Created by mariopepe

References

https://github.com/bpampuch/pdfmake
https://github.com/bpampuch/pdfmake/blob/master/src/URLRe...
https://github.com/bpampuch/pdfmake/releases/tag/0.3.6

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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