Deserialization of untrusted data in kubernetes-client
Priority LOW 30CWE-502Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 7 fixed, 6 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-502.
Summary
A arbitrary code execution flaw was found in the Fabric 8 Kubernetes client affecting versions 5.0.0-beta-1 and above. Due to an improperly configured YAML parsing, this will allow a local and privileged attacker to supply malicious YAML.
Why it matters now
EPSS 0.00335 27th percentileScored 2026-11-07
Fix Partial io.fabric8:kubernetes-client (Maven): 5.0.3, 5.1.2, 5.3.2 +4Red Hat: 7 advisoriesRed Hat: 7 fixed, 6 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | kubernetes-client | Affects 5.x versions, Fixed in kubernetes-client v5.0.3 and above. | — | No fix listed | CNA |
| — | io.fabric8:kubernetes-client (Maven) | 5.0.0-beta-1 to before 5.0.3 | 5.0.3 | Patch available | GHSA-98g7-rxmf-rrxm |
| — | io.fabric8:kubernetes-client (Maven) | 5.1.0 to before 5.1.2 | 5.1.2 | Patch available | GHSA-98g7-rxmf-rrxm |
| — | io.fabric8:kubernetes-client (Maven) | 5.2.0 to before 5.3.2 | 5.3.2 | Patch available | GHSA-98g7-rxmf-rrxm |
| — | io.fabric8:kubernetes-client (Maven) | 5.5.0 to before 5.7.4 | 5.7.4 | Patch available | GHSA-98g7-rxmf-rrxm |
| — | io.fabric8:kubernetes-client (Maven) | 5.8.0 to before 5.8.1 | 5.8.1 | Patch available | GHSA-98g7-rxmf-rrxm |
| — | io.fabric8:kubernetes-client (Maven) | 5.9.0 to before 5.10.2 | 5.10.2 | Patch available | GHSA-98g7-rxmf-rrxm |
| — | io.fabric8:kubernetes-client (Maven) | 5.11.0 to before 5.11.2 | 5.11.2 | Patch available | GHSA-98g7-rxmf-rrxm |
- kubernetes-client Vendor— Affected Affects 5.x versions, Fixed in kubernetes-client v5.0.3 and above. Fixed in — No fix listed CNA
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.0.0-beta-1 to before 5.0.3 Fixed in 5.0.3 Patch available GHSA-98g7-rxmf-rrxm
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.1.0 to before 5.1.2 Fixed in 5.1.2 Patch available GHSA-98g7-rxmf-rrxm
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.2.0 to before 5.3.2 Fixed in 5.3.2 Patch available GHSA-98g7-rxmf-rrxm
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.5.0 to before 5.7.4 Fixed in 5.7.4 Patch available GHSA-98g7-rxmf-rrxm
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.8.0 to before 5.8.1 Fixed in 5.8.1 Patch available GHSA-98g7-rxmf-rrxm
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.9.0 to before 5.10.2 Fixed in 5.10.2 Patch available GHSA-98g7-rxmf-rrxm
- io.fabric8:kubernetes-client (Maven) Vendor— Affected 5.11.0 to before 5.11.2 Fixed in 5.11.2 Patch available GHSA-98g7-rxmf-rrxm
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:* | 5.0.1 to before 5.0.3; 5.1.0 to before 5.1.2; 5.2.0 to before 5.3.2; 5.5.0 to before 5.7.4; 5.9.0 to before 5.10.2; 5.11.0 to before 5.11.2 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:fabric8-kubernetes:5.0.0:beta1:*:*:*:*:*:* | 5.0.0 beta1 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:fabric8-kubernetes:5.8.0:*:*:*:*:*:*:* | 5.8.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:a-mq_streams:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:build_of_quarkus:2.2.5:*:*:*:*:*:*:* | 2.2.5 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:fuse:7.11:*:*:*:*:*:*:* | 7.11 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:integration_camel_quarkus:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:fabric8-kubernetes:*:*:*:*:*:*:*:* Versions 5.0.1 to before 5.0.3; 5.1.0 to before 5.1.2; 5.2.0 to before 5.3.2; 5.5.0 to before 5.7.4; 5.9.0 to before 5.10.2; 5.11.0 to before 5.11.2 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:fabric8-kubernetes:5.0.0:beta1:*:*:*:*:*:* Versions 5.0.0 beta1 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:fabric8-kubernetes:5.8.0:*:*:*:*:*:*:* Versions 5.8.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:a-mq_streams:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:build_of_quarkus:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:descision_manager:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:fuse:7.11:*:*:*:*:*:*:* Versions 7.11 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:integration_camel_k:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:integration_camel_quarkus:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
Remediation
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.0.3 Advisory →
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.1.2 Advisory →
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.3.2 Advisory →
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.7.4 Advisory →
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.8.1 Advisory →
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.10.2 Advisory →
- Fix · GHSA-98g7-rxmf-rrxm io.fabric8:kubernetes-client (Maven) Fixed in 5.11.2 Advisory →
Red Hat 7 advisories
- RHSA-2023:3299 Released 2023-05-24 · Red Hat rating Importantjenkins and jenkins-2-plugins security update
- OpenShift Developer Tools and Services for OCP 4.13 jenkins-2-plugins-4.13.1684911916-1.el8, jenkins-2.387.3.1684911776-3.el8
- RHSA-2022:8761 Released 2022-12-14 · Red Hat rating ModerateRed Hat support for Spring Boot 2.7.2 update
- Text-Only RHOAR
- RHSA-2022:5532 Released 2022-07-07 · Red Hat rating ImportantRed Hat Fuse 7.11.0 release and security update
- Red Hat Fuse 7.11
Show 4 more Red Hat advisories
- RHSA-2022:1013 Released 2022-03-22 · Red Hat rating ModerateRed Hat Integration Camel Extensions for Quarkus 2.2.1 security update
- RHINT Camel-Q 2.2.1
- RHSA-2022:0589 Released 2022-02-21 · Red Hat rating ModerateRed Hat build of Quarkus 2.2.5 release and security update
- Red Hat build of Quarkus 2.2.5
- RHSA-2022:0469 Released 2022-02-08 · Red Hat rating ImportantRed Hat AMQ Streams 2.0.1 release and security update
- Red Hat AMQ Streams 2.0.1
- RHSA-2022:0467 Released 2022-02-08 · Red Hat rating ImportantRed Hat AMQ Streams 1.6.7 release and security update
- Red Hat AMQ Streams 1.6.7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Decision Manager 7 | Affected | No fix yet |
| Red Hat Integration Camel K 1 | Affected | No fix yet |
| Red Hat Integration Camel Quarkus 1 | Affected | No fix yet |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat Process Automation 7 | Affected | No fix yet |
| Red Hat build of Quarkus | Affected | No fix yet |
| OpenShift Developer Tools and Services for OCP 4.13 | Fixed | RHSA-2023:3299 |
| RHINT Camel-Q 2.2.1 | Fixed | RHSA-2022:1013 |
| Red Hat AMQ Streams 1.6.7 | Fixed | RHSA-2022:0467 |
| Red Hat AMQ Streams 2.0.1 | Fixed | RHSA-2022:0469 |
| Red Hat Fuse 7.11 | Fixed | RHSA-2022:5532 |
| Red Hat build of Quarkus 2.2.5 | Fixed | RHSA-2022:0589 |
| Text-Only RHOAR | Fixed | RHSA-2022:8761 |
Not affected: 2 products
- OpenShift Developer Tools and Services for OCP 4.13
- Red Hat JBoss Fuse 6
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4178
- 2026-10-03 Alias added: GHSA-98g7-rxmf-rrxm
References
Advisory 5
More Red Hat A-mq Streams vulnerabilities
- TI-2023-00789 Red hat a-mq streams: component version with information disclosure flaw CVSS 3.1MEDIUM 5.5
Sources
- CVE-2021-4178 · CVE Program
- CVE-2021-4178 · NVD
- FIRST EPSS
- GHSA-98g7-rxmf-rrxm · GitHub Advisory Database · CC BY 4.0
- CVE-2021-4178 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences