Vulnerability in volcano.sh/volcano (CVE-2026-44247)
Summary
Vulnerability in volcano.sh/volcano (CVE-2026-44247). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 1.14.2 or later.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-44247 has been found in volcano.sh/volcano.
Risk of unauthorized operations or information disclosure. CVSS score: 6.8/10.
What to do: upgrade volcano.sh/volcano to 1.14.2 or later.
If unsure, ask your IT team or search "volcano.sh/volcano CVE-2026-44247" on the vendor's site.
CVE-2026-44247 (volcano.sh/volcano) — CWE-400 / CVSS v3 6.8
Attack vector: adjacent-network / no user interaction
Patched: 1.14.2 — apply immediately
Workaround: No known workarounds.
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-400) exists in volcano.sh/volcano.
Check the vendor advisory for the affected versions of volcano.sh/volcano.
Severity: Medium (CVSS 6.8/10). Risk of unauthorized operations or information disclosure.
Update to 1.14.2.
Workaround: No known workarounds.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'volcano.sh/volcano' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'volcano.sh/volcano' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
volcano.sh/volcanoを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply temporary workaround mitigate
No known workarounds.パッチが適用されるまでの応急処置として、No known workarounds. を実施。回避策の副作用 (機能低下) を確認した上で。
-
3Apply patch patch
Upgrade volcano.sh/volcano to 1.14.2ステージング環境で 1.14.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
4Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory github.com
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- web github.com