CVE-2026-113606

HIGH 7.1

Stirling-PDF 3.0.0 through 3.2.0 Authorization Bypass via Processing Folders

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	stirling-tools
Product	stirling-pdf
Published	Oct 20, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Affected Versions

Stirling-Tools / Stirling-PDF

3.0.0 ≤ 3.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Abraxas Labs