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TI-2023-00411 Aliases CVE-2023-0434GHSA-x9vc-5q77-m7x4

Improper Input Validation in pyload/pyload

Priority HIGH 66CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Improper Input Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev40.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00847 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed pyload/pyload (pyload): 0.5.0b3.dev40pyload-ng (PyPI): 0.5.0b3.dev40

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
pyloadpyload/pyloadbefore 0.5.0b3.dev400.5.0b3.dev40Patch availableCNA
—pyload-ng (PyPI)before 0.5.0b3.dev400.5.0b3.dev40Patch availableGHSA-x9vc-5q77-m7x4
  • pyload/pyload Vendorpyload Affected before 0.5.0b3.dev40 Fixed in 0.5.0b3.dev40 Patch available CNA
  • pyload-ng (PyPI) Vendor— Affected before 0.5.0b3.dev40 Fixed in 0.5.0b3.dev40 Patch available GHSA-x9vc-5q77-m7x4

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:pyload:pyload:*:*:*:*:*:*:*:*up to 0.4.9Vulnerablepyload
cpe:2.3:a:pyload:pyload:0.5.0:beta1:*:*:*:*:*:*0.5.0 beta1Vulnerablepyload
cpe:2.3:a:pyload:pyload:0.5.0:beta2:*:*:*:*:*:*0.5.0 beta2Vulnerablepyload
  • cpe:2.3:a:pyload:pyload:*:*:*:*:*:*:*:* Versions up to 0.4.9 Vulnerable ·pyload
  • cpe:2.3:a:pyload:pyload:0.5.0:beta1:*:*:*:*:*:* Versions 0.5.0 beta1 Vulnerable ·pyload
  • cpe:2.3:a:pyload:pyload:0.5.0:beta2:*:*:*:*:*:* Versions 0.5.0 beta2 Vulnerable ·pyload

Remediation

  • Fix · CNA pyload/pyload (pyload) Fixed in 0.5.0b3.dev40
  • Fix · GHSA-x9vc-5q77-m7x4 pyload-ng (PyPI) Fixed in 0.5.0b3.dev40 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0434
  2. 2026-10-03 Alias added: GHSA-x9vc-5q77-m7x4

References

  • TI-2023-00282 Code Injection in pyload/pyload CVSS 3.1CRITICAL 9.8
  • TI-2023-00412 Excessive Attack Surface in pyload/pyload CVSS 3.1CRITICAL 9.8
  • TI-2026-26332 pyLoad: Server-Side Request Forgery via Download Link Submission Enables Cloud Metadata Exfiltration CVSS 4.0CRITICAL 9.3
  • TI-2026-25907 pyload-ng: Authentication Bypass via Host Header Injection in ClickNLoad CVSS 4.0HIGH 8.8
  • TI-2024-32088 pyLoad vulnerable to remote code execution by download to /.pyload/scripts using /flashgot API CVSS 3.1CRITICAL 9.1
  • TI-2026-29761 pyLoad has Stale Session Privilege After Role/Permission Change (Privilege Revocation Bypass) CVSS 3.1HIGH 8.8
See all 22 →

Sources