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CVE-2025-65889: A type validation flaw in the flow.dstack() component of OneFlow v0.9.0 allows attackers to cause a Denial...

A type validation flaw in the flow.dstack() component of OneFlow v0.9.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2025-65889 is a denial-of-service issue in OneFlow v0.9.0. A crafted input to flow.dstack() can cause the application or service using it to become unavailable. The public record does not show data theft or code execution, but availability impact is rated high.

Executive priority

Prioritize assessment for AI, ML, or data-processing services where downtime affects customers or operations. Treat as high availability risk, not confirmed data compromise. Patch or contain affected exposure once vendor guidance is verified.

Technical view

The CVE describes a type validation flaw in OneFlow v0.9.0 flow.dstack(). The CVSS 3.1 score is 7.5 with network attack vector, low complexity, no privileges, no user interaction, and high availability impact. The weakness is mapped to CWE-400, uncontrolled resource consumption.

Likely exposure

Exposure is most likely where OneFlow v0.9.0 is deployed and flow.dstack() processes untrusted, user-controlled, or network-reachable input. The CVE metadata lists affected vendor and product as n/a, so asset owners should confirm usage directly from dependencies and code paths.

Exploitation context

The source bundle reports crafted input can trigger DoS. It does not cite active exploitation, and KEV status is false. No public source in the bundle confirms weaponized exploitation, broad scanning, or exploitation in the wild.

Researcher notes

Evidence is sparse: the CVE names OneFlow v0.9.0 and flow.dstack(), but affected CPEs and explicit remediation are not provided. Avoid assuming later versions are fixed unless confirmed by OneFlow release notes, commits, or the linked issue.

Mitigation direction

  • Inventory systems and applications using OneFlow v0.9.0.
  • Check the OneFlow issue and repository for vendor-confirmed fixes or guidance.
  • Avoid passing untrusted input to flow.dstack() until guidance is confirmed.
  • Restrict network access to services exposing affected OneFlow functionality.
  • Monitor affected services for crashes, hangs, or resource exhaustion.

Validation and detection

  • Confirm installed OneFlow versions across production and build environments.
  • Search application code for flow.dstack() usage.
  • Identify whether callers accept user-controlled or external input.
  • Review CVE and GitHub issue details before risk acceptance.
  • Test any vendor fix in staging before production rollout.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-400: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-65889 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2025-65889Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.