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CVE-2026-45306

pyLoad: Incomplete Fix for CVE-2026-33509 -storage_folder Bypass via Session Directory

Published: May 28, 2026Updated: May 29, 2026 Sources: CVE List NVDCWE-706
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.2%
Top 86.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the fix for CVE-2026-33509 prevents setting storage_folder inside PKGDIR or userdir, but does NOT protect the Flask session directory (/tmp/pyLoad/flask). An authenticated attacker can set storage_folder to the session directory and download session files of other users via /files/get/, leading to account takeover. This vulnerability is fixed in 0.5.0b3.dev100.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-706

Affected Products

pyloadpyload
On-prem
Consumer Software / file-utility
pyloadoss-projectConsumer Softwareaka pyload/pyload

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://github.com/pyload/pyload/security/advisories/GHSA-w727-595x-pc3r
github.com

Timeline

Published
May 28, 2026
Last Updated
May 29, 2026

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