PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-47237 kubeflow CVE debrief

CVE-2026-47237 is a high-severity vulnerability in Kubeflow Community Distribution that allows authorization token stealing from any user of the Kubeflow UI or APIs. The vulnerability exists prior to version 26.03-rc.1 and allows an attacker to take over a user's account and access their data. The attacker needs a valid user with the 'kubeflow-edit' role or Contributor role in a random Kubeflow namespace to perform this attack, which can be obtained if Automatic Profile Creation is enabled. This vulnerability has significant implications for the security of Kubeflow deployments, particularly in environments where user access and data sensitivity are high.

Vendor
kubeflow
Product
community-distribution
CVSS
HIGH 8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-22
Advisory published
2026-07-21
Advisory updated
2026-07-22

Who should care

Users of Kubeflow Community Distribution, especially those with the 'kubeflow-edit' role or Contributor role in a Kubeflow namespace, should be aware of this vulnerability and take steps to protect themselves. This includes updating to version 26.03-rc.1 or later and reviewing their Kubeflow setup for potential vulnerabilities. Additionally, operators, platform administrators, vulnerability management teams, and security teams should prioritize assessing their exposure and implementing necessary mitigations.

Technical summary

The vulnerability in Kubeflow Community Distribution allows an attacker to steal authorization tokens from any user of the Kubeflow UI or APIs, such as the Dashboard, Pipelines API, or Notebooks. This can be done by exploiting the vulnerability in a Kubeflow setup based on official manifests or most other packaged Kubeflow distributions. The attacker needs a valid user with the 'kubeflow-edit' role or Contributor role in a random Kubeflow namespace to perform this attack, which can be obtained if Automatic Profile Creation is enabled. The technical impact is significant as it allows for unauthorized access to user accounts and potentially sensitive data processed by those users.

Defensive priority

Highest Priority Given the high severity and potential for significant impact, defenders should treat this vulnerability with the highest priority for assessment and mitigation. Immediate action is required to prevent potential exploitation and minimize risk to Kubeflow deployments and user data. Defenders should focus on updating vulnerable systems, enhancing monitoring for suspicious activity, and implementing compensating controls where necessary. Regular reviews of Kubeflow setup and user roles are also crucial to prevent similar vulnerabilities in the future. Given the potential for lateral movement and data access, swift and decisive action is essential to protect against potential attacks. Therefore, assigning a 'Highest' defensive priority is appropriate to reflect the urgency and importance of addressing this vulnerability promptly and effectively.

Recommended defensive actions

  • Update to version 26.03-rc.1 or later
  • Review Kubeflow setup for potential vulnerabilities
  • Monitor for suspicious activity
  • Implement additional security measures, such as multi-factor authentication
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The vulnerability is described in the CVE record and the NVD detail page. The CVE record was published on 2026-07-21T21:16:50.403Z and was last modified on 2026-07-22T16:17:24.477Z. The NVD entry is currently being reviewed. Evidence limits suggest that defenders verify Kubeflow Community Distribution versions prior to 26.03-rc.1 for potential exposure, given the high severity of this vulnerability and its potential impact on user accounts and data.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-21T21:16:50.403Z and has not been modified since then.