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CVE-2026-18942

Feast-operator: feast: feast apply cronjob runs user python with feature-server sa — tenant code to sa token escalation

Products / packages Red Hat OpenShift AI 2.25 · Red Hat OpenShift AI 3.4 · Red Hat OpenShift AI (RHOAI)

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 22:20:30 UTC
redhat · CVSS:3.1 · 5.5
Assessment vectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:L

Severity

medium5.5

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Source guidance available

Review the recorded instructions. Guidance may be a workaround rather than a fixed version.

What this means

A flaw in the Feast operator allows a malicious tenant to inject arbitrary code, potentially leading to privilege escalation. The weakness is due to execution with unnecessary privileges and improper control of code generation. Affected products and versions are unclear.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Red Hat · redhat

Red Hat OpenShift AI 2.25

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

1786110051 → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai:2.25::el9

Red Hat · redhat

Red Hat OpenShift AI 3.4

1 range
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

1786107278 → before *

rpm versions

unknown

Other versions: affected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai:3.4::el9

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai

Red Hat · redhat

Red Hat OpenShift AI (RHOAI)

0 ranges
redhat version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

unknown

Other versions: unaffected

Product identifiers (CPE)cpe:/a:redhat:openshift_ai
Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

Configure the Feast operator to use a dedicated, minimally-privileged ServiceAccount for the feast apply CronJob, ensuring automountServiceAccountToken: false is set. Apply a restricted securityContext to the CronJob pod and implement network policies to limit egress to only required registry endpoints. Ensure the CronJob ServiceAccount is separate from the feature-server ServiceAccount.

redhat guidance ↗

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

A flaw was found in the Feast operator. A malicious tenant could inject arbitrary code into their feature repository. This code would be executed by an automated process with elevated privileges, allowing the tenant to steal sensitive credentials. This could lead to a direct escalation of privileges, granting the tenant administrative control over the Kubernetes cluster.

References

4 sources
access.redhat.com/errata/RHSA-2026:53261
Vendor advisoryredhat
access.redhat.com/errata/RHSA-2026:53262
Vendor advisoryredhat
access.redhat.com/security/cve/CVE-2026-18942
Security advisoryredhat
bugzilla.redhat.com/show_bug.cgi
Source referenceredhat

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-18942

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-250 ↗

Execution with Unnecessary Privileges

redhat

Related →
CWE-94 ↗

CWE-94 Improper Control of Generation of Code ('Code Injection')

CISA-ADP

Related →
Contributing organizations · 2
redhat

Assigning organization

2026-11-09
CISA-ADP

Additional data publisher

2026-08-12

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.