🛡️ CVE-2026-38361 — dash-uploader

🟠 CVSS 7.5 — High ⚠️ Exploit Public CWE-400 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Multiple unauthenticated denial-of-service (DoS) issues in fohrloop dash-uploader v0.1.0 through v0.7.0a2. The chunked-upload handler (dash_uploader/httprequesthandler.py, dash_uploader/upload.py) trusts unsanitized, attacker-controlled upload parameters (e.g. flowTotalChunks) and does not enforce the documented max_file_size limit, allowing a remote, unauthenticated attacker to cause an out-of-memory (OOM) process crash (unbounded range(1, flowTotalChunks + 1) allocation), truncation of the target file to zero bytes (flowTotalChunks=0, where the all([]) == True quirk runs the file-assembly branch on zero chunks), permanent disk exhaustion (never-cleaned-up temporary directories per flowIdentifier), and a complete bypass of the documented max_file_size limit.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2026-38361 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2026-38361 is recorded against 2 packages.

  • dash-uploader (from 0.1.0 up to 0.7.0a1)
  • unknown

Timeline and source

Published on 8 May 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

docs.python.org (Web)
github.com (Web)
libraries.io (Web)
pepy.tech (Web)
pypistats.org (Web)
github.com (Report)
github.com (Package)
pypi.org (Package)
github.com (Evidence)

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ⚠️ Yes
Source NVD
Published 2026-05-08
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
dash-uploader 0.1.0 0.7.0a1
unknown — —

Similar Threats

Exploit Protection

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