7.5
HIGH CVSS 3.1
CVE-2026-55175
Spinnaker: Improper yaml processing on kustomize bake operations
Description

Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to versions 2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4 on their respective release lines, Kustomize bake operations allow unsafe YAML tag processing in rosco manifests. This can lead to remote code execution on rosco pods when performing Kustomize bakes. This issue is fixed in versions 2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4.

INFO

Published Date :

July 10, 2026, 11:16 p.m.

Last Modified :

July 21, 2026, 7:25 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-55175 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linuxfoundation spinnaker
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH [email protected]
Solution
Update Spinnaker to a patched version to fix unsafe YAML tag processing.
  • Update Spinnaker to version 2026.1.1 or later.
  • Update Spinnaker to version 2026.0.3 or later.
  • Update Spinnaker to version 2025.4.4 or later.
  • Update Spinnaker to version 2025.3.4 or later.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-55175 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-55175 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-55175 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-55175 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jul. 21, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* versions from (including) 2025.4.0 up to (excluding) 2025.4.4 *cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* versions from (including) 2026.0.0 up to (excluding) 2026.0.3 *cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* versions from (including) 2025.3.0 up to (excluding) 2025.3.4 *cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:* versions from (including) 2026.1.0 up to (excluding) 2026.1.1
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/commit/2d75818b85cc4c35144d5e5ed45e7340fcab5dfe Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/commit/bbc30c9b9034a056e95f012fa1b34e9fd703cae7 Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/commit/de5a7a05af35aee19eb71d289cd0b77f67509009 Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/commit/df32d568e82519d9f3896fc9007baba0077c87fd Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/commit/f5cec213f8cf207843ed5a6929395960a1ca094f Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.3.4 Types: Release Notes
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.4.4 Types: Release Notes
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.0.3 Types: Release Notes
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.1.1 Types: Release Notes
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.2.0 Types: Release Notes
    Added Reference Type GitHub, Inc.: https://github.com/spinnaker/spinnaker/security/advisories/GHSA-p68j-q7hf-3qcp Types: Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 15, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-55175', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-13T14:17:15.818980Z'} {'id': 'CVE-2026-55175', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-14T00:00:00+00:00'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 13, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-55175', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-13T14:17:15.818980Z'}
  • New CVE Received by [email protected]

    Jul. 10, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'spinnaker', 'product': 'spinnaker', 'versions': [{'status': 'affected', 'version': '>= 2026.1.0, < 2026.1.1'}, {'status': 'affected', 'version': '>= 2026.0.0, < 2026.0.3'}, {'status': 'affected', 'version': '>= 2025.4.0, < 2025.4.4'}, {'status': 'affected', 'version': '< 2025.3.4'}]}]
    Added Description Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to versions 2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4 on their respective release lines, Kustomize bake operations allow unsafe YAML tag processing in rosco manifests. This can lead to remote code execution on rosco pods when performing Kustomize bakes. This issue is fixed in versions 2026.1.1, 2026.0.3, 2025.4.4, and 2025.3.4.
    Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-502
    Added Reference https://github.com/spinnaker/spinnaker/commit/2d75818b85cc4c35144d5e5ed45e7340fcab5dfe
    Added Reference https://github.com/spinnaker/spinnaker/commit/bbc30c9b9034a056e95f012fa1b34e9fd703cae7
    Added Reference https://github.com/spinnaker/spinnaker/commit/de5a7a05af35aee19eb71d289cd0b77f67509009
    Added Reference https://github.com/spinnaker/spinnaker/commit/df32d568e82519d9f3896fc9007baba0077c87fd
    Added Reference https://github.com/spinnaker/spinnaker/commit/f5cec213f8cf207843ed5a6929395960a1ca094f
    Added Reference https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.3.4
    Added Reference https://github.com/spinnaker/spinnaker/releases/tag/rosco-2025.4.4
    Added Reference https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.0.3
    Added Reference https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.1.1
    Added Reference https://github.com/spinnaker/spinnaker/releases/tag/rosco-2026.2.0
    Added Reference https://github.com/spinnaker/spinnaker/security/advisories/GHSA-p68j-q7hf-3qcp
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.