CVE-2026-44247

MEDIUM

Volcano: Webhook server vulnerable to OOM due to unbounded HTTP request body size

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 6.8
EPSS 0.0017
EPSS Percentile 6.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400 CWE-770
Status published
Products (7)
linuxfoundation/volcano < 1.12.4
volcano-sh/volcano < 1.12.4
volcano-sh/volcano >= 1.13.0, < 1.13.3
volcano-sh/volcano >= 1.14.0-alpha.0, < 1.14.2
volcano.sh/volcano 0 - 1.12.4Go
volcano.sh/volcano 1.13.0 - 1.13.3Go
volcano.sh/volcano 1.14.0 - 1.14.2Go
Published May 27, 2026
Tracked Since May 28, 2026