CVE-2026-44247: CWE-400: Uncontrolled Resource Consumption in volcano-sh volcano
Volcano is a Kubernetes-native batch scheduling system. Prior to v1.14.2, v1.13.3, and v1.12.4, the Volcano webhook server does not enforce a size limit on incoming HTTP request bodies. Any in-cluster pod that can reach the webhook endpoint may send an arbitrarily large request body, potentially causing the webhook server to be killed by OOM. All Volcano deployments with the webhook server exposed to in-cluster traffic are affected. This vulnerability is fixed in v1.14.2, v1.13.3, and v1.12.4.
AI Analysis
Technical Summary
The Volcano webhook server prior to versions 1.14.2, 1.13.3, and 1.12.4 does not enforce size limits on HTTP request bodies. This lack of control allows an attacker with in-cluster pod access to send very large requests to the webhook endpoint, leading to uncontrolled resource consumption and potential out-of-memory (OOM) termination of the webhook server process. This vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption) and CWE-770 (Allocation of Resources Without Limits or Throttling). The vulnerability affects all deployments exposing the webhook server to in-cluster traffic. The issue is resolved in the specified fixed versions.
Potential Impact
The vulnerability impacts the availability of the Volcano webhook server by allowing an attacker to cause it to crash via out-of-memory conditions. There is no impact on confidentiality or integrity. Exploitation requires in-cluster pod access to the webhook endpoint. No known exploits in the wild have been reported.
Mitigation Recommendations
This vulnerability is fixed in Volcano versions 1.14.2, 1.13.3, and 1.12.4. Users should upgrade to one of these versions or later to remediate the issue. Since the vendor advisory indicates fixed versions, applying these official updates is the recommended mitigation. There is no indication that temporary fixes or workarounds are provided. Patch status is confirmed by the vendor's versioning information.
CVE-2026-44247: CWE-400: Uncontrolled Resource Consumption in volcano-sh volcano
Description
Volcano is a Kubernetes-native batch scheduling system. Prior to v1.14.2, v1.13.3, and v1.12.4, the Volcano webhook server does not enforce a size limit on incoming HTTP request bodies. Any in-cluster pod that can reach the webhook endpoint may send an arbitrarily large request body, potentially causing the webhook server to be killed by OOM. All Volcano deployments with the webhook server exposed to in-cluster traffic are affected. This vulnerability is fixed in v1.14.2, v1.13.3, and v1.12.4.
CVSS v3.1
Score 6.8medium
Affected software
pkg:github/volcano-sh/volcanoRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Volcano webhook server prior to versions 1.14.2, 1.13.3, and 1.12.4 does not enforce size limits on HTTP request bodies. This lack of control allows an attacker with in-cluster pod access to send very large requests to the webhook endpoint, leading to uncontrolled resource consumption and potential out-of-memory (OOM) termination of the webhook server process. This vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption) and CWE-770 (Allocation of Resources Without Limits or Throttling). The vulnerability affects all deployments exposing the webhook server to in-cluster traffic. The issue is resolved in the specified fixed versions.
Potential Impact
The vulnerability impacts the availability of the Volcano webhook server by allowing an attacker to cause it to crash via out-of-memory conditions. There is no impact on confidentiality or integrity. Exploitation requires in-cluster pod access to the webhook endpoint. No known exploits in the wild have been reported.
Mitigation Recommendations
This vulnerability is fixed in Volcano versions 1.14.2, 1.13.3, and 1.12.4. Users should upgrade to one of these versions or later to remediate the issue. Since the vendor advisory indicates fixed versions, applying these official updates is the recommended mitigation. There is no indication that temporary fixes or workarounds are provided. Patch status is confirmed by the vendor's versioning information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-05T16:33:55.844Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a189d28e29bf47b50227b07
Added to database: 05/28/2026, 19:53:12 UTC
Last enriched: 06/04/2026, 20:48:51 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 74
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