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CVE-2026-83494— Training-operator: pytorchjob validateupdate casts oldjob from newobj, bypassing managedby immutability (asvs v5.1.3; upstream bug)

Quick assessment

Affected
Red Hat Red Hat OpenShift AI (RHOAI)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 training-operator 中发现一处缺陷：PyTorchJob 的 ValidateUpdate webhook 中存在对象类型转换错误，导致用户能够绕过不可变检查。该漏洞可能使用户将已排队的作业从其配额管理系统中分离，或劫持正在运行作业的控制器所有权。其主要影响是造成拒绝服务（DoS）。

AI Predicted 6.5 Difficulty: Moderate
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I. Basic Information for CVE-2026-83494

Vulnerability Information
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Vulnerability Title
Training-operator: pytorchjob validateupdate casts oldjob from newobj, bypassing managedby immutability (asvs v5.1.3; upstream bug)
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai

II. Public POCs for CVE-2026-83494

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III. Intelligence Information for CVE-2026-83494

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Other References for CVE-2026-83494 (2)

Same Patch Batch · Red Hat · 2026-11-06 · 15 CVEs total

CVE-2026-109081 6.8 MEDIUM Keycloak-services: keycloak-services: injection of roles into realm default-roles via dcr
CVE-2026-19688 6.8 MEDIUM Keycloak-services: keycloak-services: admin api missing audience check
CVE-2026-123037 6.7 MEDIUM Ansible-core: user module generate_ssh_key follows a symlinked ~/.ssh enabling local privi
CVE-2026-96547 6.5 MEDIUM Keycloak-services: keycloak-services: dcr registration-time claim-path gap allows forging
CVE-2026-97848 6.5 MEDIUM Keycloak-services: keycloak-services: protocol mapper with jsontype=json bypasses token sa
CVE-2026-9797 6.5 MEDIUM Keycloak: keycloak: privilege escalation via client authentication manipulation by an auth
CVE-2026-107124 6.4 MEDIUM Keycloak-services: keycloak-services: oidc logout endpoint session fixation via id_token_h
CVE-2026-97367 6.4 MEDIUM Keycloak-services: keycloak-services: dcr azp and sid claim substitution allows account re
CVE-2026-120749 6.2 MEDIUM Dbus: dbus-daemon: dbus-daemon aborts (reply_serial != 0) when a broadcast from the driver
CVE-2026-96460 5.4 MEDIUM Keycloak-services: keycloak-services: indefinite access token renewal via standard token e
CVE-2026-92856 4.9 MEDIUM Keycloak-services: keycloak-services: saml broker ignores proxyrestriction delegation cons
CVE-2026-121837 4.3 MEDIUM Quarkus-rest-data-panache: quarkus-rest-data-panache: getter-level @securefield ignored fo
CVE-2026-96447 4.2 MEDIUM Keycloak-services: keycloak-services: stateless token preferred_username fallback enables
CVE-2026-83493 Distributed-workloads: github actions pinned by mutable tag/branch, including third-party

IV. Related Vulnerabilities

Same product: Red Hat OpenShift AI (RHOAI)
Same vendor: Red Hat
Same weakness: CWE-693