Spinnaker vulnerable to RCE via expression parsing due to unrestricted context handling

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Summary

CVECVE-2026-32613
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-20 21:16:32 UTC
Updated2026-04-20 21:16:32 UTC
DescriptionSpinnaker is an open source, multi-cloud continuous delivery platform. Echo like some other services, uses SPeL (Spring Expression Language) to process information - specifically around expected artifacts. In versions prior to 2026.1.0, 2026.0.1, 2025.4.2, and 2025.3.2, unlike orca, it was NOT restricting that context to a set of trusted classes, but allowing FULL JVM access. This enabled a user to use arbitrary java classes which allow deep access to the system. This enabled the ability to invoke commands, access files, etc. Versions 2026.1.0, 2026.0.1, 2025.4.2, and 2025.3.2 contain a patch. As a workaround, disable echo entirely.

Risk And Classification

Primary CVSS: v3.1 9.9 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-94 | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED10CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spinnaker Spinnaker affected < 2026.0.1 Not specified
CNA Spinnaker Spinnaker affected < 2025.4.2 Not specified
CNA Spinnaker Spinnaker affected < 2025.3.2 Not specified
CNA Spinnaker Spinnaker affected < 2026.1.0 Not specified

References

ReferenceSourceLinkTags
github.com/spinnaker/spinnaker/releases/tag/spinnaker-release-2025.3.2 [email protected] github.com
github.com/spinnaker/spinnaker/releases/tag/spinnaker-release-2026.0.1 [email protected] github.com
github.com/spinnaker/spinnaker/releases/tag/spinnaker-release-2025.4.2 [email protected] github.com
github.com/spinnaker/spinnaker/security/advisories/GHSA-69rw-45wj-g4v6 [email protected] github.com
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