Bug 2517888 (CVE-2026-75888) - CVE-2026-75888 openshift/console: openshift/console: Authenticated SSRF via Helm chart URL fetch
Summary: CVE-2026-75888 openshift/console: openshift/console: Authenticated SSRF via H...
Keywords:
Status: NEW
Alias: CVE-2026-75888
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-18 13:12 UTC by OSIDB Bzimport
Modified: 2026-10-12 15:38 UTC (History)
16 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-18 13:12:41 UTC 
The Helm chart endpoints in the OpenShift console accept a user-supplied chartUrl (query parameter or JSON field) and pass it to LocateChart without validation (pkg/helm/handlers/handlers.go:236-258, pkg/helm/actions/get_chart.go:22-27).

LocateChart downloads http://, https://, or oci:// URLs. The same pattern recurs in InstallChart, InstallChartAsync, UpgradeRelease, and RenderManifests via the req.ChartUrl field. When the repositoryNamespace=="" short-circuit path is taken, no repository index validation occurs.

An authenticated console user can make the console pod fetch arbitrary URLs. The gzip/tar parse error reflected to the user contains response-body excerpts, enabling partial-read SSRF. Also usable for blind in-cluster port-scanning via timing.

Tested and reproduced on OCP 5.0 nightly cluster.

Upstream: https://github.com/openshift/console
File: pkg/helm/handlers/handlers.go:236-258, pkg/helm/actions/get_chart.go:22-27, pkg/helm/actions/install_chart.go:71-77
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