CVE-2026-113606
Stirling-PDF 3.0.0 through 3.2.0 Authorization Bypass via Processing Folders
HIGH 7.1EPSS 0.4%
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.
- Affected
- Stirling-Tools · Stirling-PDF
- CVSS v4.0 VULNCHECK
- 7.1 HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULNCHECK
- 7.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N - EPSS
- 0.36% chance of exploitation in the next 30 days, 30th percentile
- Published
- 2026-10-20
- Updated
- 2026-10-23
Proof-of-concept exploits (1)
- abraxas/stirling-storage-folder-idorRepo stars 0★ · pushed 2026-10-17 · find archive
CVE references
- https://abraxaslabs.tech/research/stirling-pdf-3.2.0-leftoversREFERENCE
- https://abraxaslabs.tech/research/stirling-storage-folder-idorREFERENCE
- Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/p…REFERENCE
- Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/p…REFERENCE
- https://www.vulncheck.com/advisories/stirling-pdf-3.0.0-through-3.2.0-authorization-bypas…REFERENCE