CVE-2025-71003: An input validation vulnerability in the flow.arange() component of OneFlow v0.9.0 allows attackers to cause a

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HIGH 7.5REMOTEDOWNGRADE

CVE-2025-71003 is a high-severity flaw (CVSS 7.5) affecting oneflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An input validation vulnerability in the flow.arange() component of OneFlow v0.9.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Why this priority

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

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-01-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: oneflow

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

Am I affected?

Timeline

2026-01-28 21:16 UTCPublished CVE record published
2026-06-17 10:03 UTCUpdated Record last modified

oneflow oneflow DOWNGRADE

Affected: 0.9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.9.0

1. Check installed version

apt-cache policy oneflow || rpm -q oneflow || oneflow --version

2. No fixed release: DOWNGRADE to a release before 0.9.0 (Debian / Ubuntu)

apt-cache madison oneflow sudo apt install oneflow=<VERSION_BEFORE_0.9.0> sudo apt-mark hold oneflow

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list oneflow sudo dnf downgrade oneflow-<VERSION_BEFORE_0.9.0> sudo dnf versionlock add oneflow

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.

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-2025-71003?

oneflow: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-71003 being exploited?

CVE-2025-71003 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-2025-71003 affect?

CVE-2025-71003 affects oneflow. Severity is high (CVSS 7.5). An input validation vulnerability in the flow.arange() component of OneFlow v0.9.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

How urgent is CVE-2025-71003?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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