CVE-2026-18620Public exploitNetwork attack vector

Tenant privilege escalation via unchecked ServiceAccount selection

Published Aug 10, 2026 · Updated Aug 10, 2026

Authorization bypass in Red Hat OpenShift AI Data Science Pipelines allows remote authenticated users to run pods under privileged service accounts. The setDefaultServiceAccount function honors the CreateRun service_account field without performing a SubjectAccessReview for the caller. A restricted tenant with CreateRun access can obtain the selected account's token, read namespace secrets, and execute commands in co-tenant pods.

CVSS severity7.1
High
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Red Hat OpenShift AI Data Science Pipelines allows remote authenticated users to run pods under privileged service accounts. The setDefaultServiceAccount function honors the CreateRun service_account field without performing a SubjectAccessReview for the caller. A restricted tenant with CreateRun access can obtain the selected account's token, read namespace secrets, and execute commands in co-tenant pods.

The record

CVE
CVE-2026-18620
Published
Aug 10, 2026
Updated
Aug 10, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-639, T1068
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1Red HatCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1068Exploitation for Privilege Escalation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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