Training-operator: pytorchjob validateupdate casts oldjob from newobj, bypassing managedby immutability (asvs v5.1.3; upstream bug)
CVSS score
—
EPSS probability
%0.2
Risk score
—
Published
1 d ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%55
Short explanation
A coding error in the training-operator component of Red Hat OpenShift AI allows the PyTorchJob ValidateUpdate webhook to bypass the managedBy immutability check. This can detach a queued job from quota management or hijack a running job's controller, potentially causing a DoS condition. (S0)
Loss of job control can lead to service interruption and resource abuse.
What should be done?
- Monitor Red Hat security advisories
- Apply patches when Red Hat releases a fix (S0)
- Restrict webhook access via RBAC
- Temporarily disable the training-operator webhook if feasible
- Allow job updates only for authorized users
Chain of evidence and sources
Training-operator’da PyTorchJob ValidateUpdate webhook’u, managedBy immutability kontrolünü atlatıyor (S0).
Yama durumu UNKNOWN olarak raporlanmıştır; resmi bir yama henüz doğrulanmamıştır (S0).
CVE, CISA KEV listesinde yer almamaktadır (S0).
Show the technical text from the sources
A flaw was found in the training-operator. An incorrect object casting in the PyTorchJob ValidateUpdate webhook allows users to bypass an immutability check. This vulnerability could enable users to detach a queued job from its quota management system or hijack a running job's controller ownership. The primary impact is a Denial of Service (DoS) condition.
CWE: CWE-693
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-83494 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Red Hat | Red Hat OpenShift AI (RHOAI) | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-83494 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-83494 weaknesses.
Official Sources and Advisories
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