# CVE-2025-32777: Volcano Scheduler Denial of Service via Unbounded Response from Elastic Service/extender Plugin

Source: https://junglewise.ai/threats/cve-2025-32777-volcano-scheduler-denial-of-service-via-unbounded-response-from  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-05-06  
License: CC BY 4.0 with a link back

CVE-2025-32777 · Severity: medium · CVSS 4 · Published 2025-05-06

Volcano Scheduler Denial of Service via Unbounded Response from Elastic Service/extender Plugin in volcano.sh/volcano

Technologies: [volcano.sh/volcano (Go)](https://junglewise.ai/threats/technologies/volcano-sh-volcano). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2025-32777 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-32777 being exploited in the wild.

**How severe is CVE-2025-32777?** Medium severity, with a CVSS score of 4, published 6 May 2025.

**Which products and versions are affected?** volcano.sh/volcano (Go) SEMVER:introduced=0,fixed=1.9.1, SEMVER:introduced=0,fixed=1.9.1,introduced=1.10.0-alpha.0,fixed=1.10.2,introduced=1.11.0-network-topology-preview.0,fixed=1.11.0-network-topology-preview.3,introduced=1.11.0,fixed=1.11.2,introduced=1.12.0-alpha.0,fixed=1.12.0-alpha.2.

**Is there a fix for CVE-2025-32777?** Yes. volcano.sh/volcano (Go): upgrade to 1.12.0-alpha.2, 1.9.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-32777?** Check whether you run volcano.sh/volcano (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- volcano.sh/volcano (Go): upgrade to 1.12.0-alpha.2, 1.9.1 or later

  ```sh
  go get volcano.sh/volcano@v1.12.0-alpha.2
  ```


## Affected products

- volcano.sh/volcano (Go) SEMVER:introduced=0,fixed=1.9.1, SEMVER:introduced=0,fixed=1.9.1,introduced=1.10.0-alpha.0,fixed=1.10.2,introduced=1.11.0-network-topology-preview.0,fixed=1.11.0-network-topology-preview.3,introduced=1.11.0,fixed=1.11.2,introduced=1.12.0-alpha.0,fixed=1.12.0-alpha.2

## Identifiers

- CVE-2025-32777
- GHSA-hg79-fw4p-25p8
- GO-2025-3656

## Related threats

- [Volcano Webhook Server denial of service via unbounded HTTP requests](https://junglewise.ai/threats/cve-2026-44247-volcano-webhook-server-denial-of-service-via-unbounded-http)
- [GO-2024-3034 - Volcano has insecure permissions in volcano.sh/volcano](https://junglewise.ai/threats/cve-2024-36533-volcano-has-insecure-permissions)