CVE-2026-38361: Multiple unauthenticated denial-of-service (DoS) issues in fohrloop dash-uploader v0.1.0 through v0.7.0a2

Q: How do I fix CVE-2026-38361?

dash-uploader: upgrade to newer than 0.6.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-38361 being exploited?

CVE-2026-38361 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-38361 affect?

CVE-2026-38361 affects dash-uploader. Severity is high (CVSS 7.5). 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 upl

Q: How urgent is CVE-2026-38361?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-38361 is a high-severity flaw (CVSS 7.5) affecting dash-uploader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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, flowT

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.6% (top 14%)
CISA exploited list	No
Weakness	CWE-400, CWE-670
Published	2026-05-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fohrloop

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-08 15:16 UTCPublished CVE record published
2026-06-17 10:41 UTCUpdated Record last modified

fohrloop dash-uploader UPGRADE

Affected: >= 0.1.0 and <= 0.6.1 · 0.7.0 alpha1 · 0.7.0 alpha2

Fixed in: newer than 0.6.1

Safe to downgrade to: a release before 0.1.0

1. Check installed version

pip show dash-uploader

2. UPGRADE to newer than 0.6.1

pip install --upgrade "dash-uploader>0.6.1"

3. If no update is available yet, DOWNGRADE to a release before 0.1.0

pip index versions dash-uploader pip install "dash-uploader<0.1.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

Fedora 46 · fzssh · FIXED · 1.4.0-2.fc46 · FEDORA-2026-8004fcd067 · source

sudo dnf upgrade --advisory=FEDORA-2026-8004fcd067

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: a1ohadance/CVE-2026-38361 (0 stars)
Write-up: github.com/github/advisory-database/pull/7636
Nuclei scan template: dash-uploader 0.1.0 - 0.7.0a2 - Denial-of-Service via flowTotalChunks

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-38361?

dash-uploader: upgrade to newer than 0.6.1. Exact commands for each OS are on this page.

Is CVE-2026-38361 being exploited?

CVE-2026-38361 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-38361 affect?

CVE-2026-38361 affects dash-uploader. Severity is high (CVSS 7.5). 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 upl

How urgent is CVE-2026-38361?

Priority 58/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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