CVE-2026-44247: linuxfoundation volcano Uncontrolled Resource Consumption
Vulnerability summary
CVE-2026-44247 is a high (CVSS 7.4) Uncontrolled Resource Consumption vulnerability in linuxfoundation volcano. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 27-05-2026PublishedVulnerability first disclosed.
- 30-05-2026Last modifiedVulnerability information updated.
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 metrics
3 scores · 3 sources · 1 version- CVE.orgCNA6.8MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HDiffers
- OSV · GoEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
+0.10 pp
From 0.17% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.
- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Affected systems
Linuxfoundation1 product
- volcano< 1.12.4 | ≥ 1.13.0, < 1.13.3 | ≥ 1.14.0, < 1.14.2
Volcano-sh1 product
- volcano≥ 1.14.0-alpha.0, < 1.14.2 | ≥ 1.13.0, < 1.13.3 | < 1.12.4
Volcano.sh1 product
- volcano< 1.12.4 | ≥ 1.13.0, < 1.13.3 | ≥ 1.14.0, < 1.14.2
3 vendors · 3 products
References
3 links- github.com/volcano-sh/volcano/security/advisories/GHSA-8wxp-xxp2-rcgxX Refsource CONFIRMWEBAdvisoryVendor Advisory
