CVE-2026-29063

Highest-risk unexploited with PoCs

Exploit code exists, no confirmed in-the-wild activity, ranked by EPSS

Actively Exploited

Confirmed exploited in the wild, sorted by most recently updated

CVSS 8.7EPSS 2%

Published 2026-03-06Updated 2026-03-06

Vulnerability details

Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CNAGitHub_M

EPSS score history

Sources

3 links

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CVE Organization RedHat Vuln DB NVD Analysis

Profile

CVSS

8.7

EPSS

Published

2026-03-06

Updated

2026-03-06

CNA

GitHub_M

Vendors

immutable-js

1 product

CPEs

cpe:/a:redhat:migration_toolkit_virtualization:2.10::el9

cpe:/a:redhat:migration_toolkit_virtualization:2.9::el9

cpe:/a:redhat:network_observ_optr:1.11::el9

cpe:/a:redhat:network_observ_optr:1.12::el9

cpe:/a:redhat:acm:2.15::el9

cpe:/a:redhat:acm:2.16::el9

cpe:/a:redhat:advanced_cluster_security:4.10::el8

cpe:/a:redhat:advanced_cluster_security:4.8::el8

cpe:/a:redhat:advanced_cluster_security:4.9::el8

cpe:/a:redhat:rhdh:1.8::el9

cpe:/a:redhat:rhdh:1.9::el9

cpe:/a:redhat:discovery:2::el9

cpe:/a:redhat:openshift_ai:2.25::el9

cpe:/a:redhat:openshift_ai:3.3::el9

cpe:/a:redhat:openshift:4.16::el9

cpe:/a:redhat:openshift:4.17::el9

cpe:/a:redhat:openshift:4.18::el9

cpe:/a:redhat:openshift:4.19::el9

cpe:/a:redhat:openshift:4.20::el9

cpe:/a:redhat:openshift:4.21::el9

cpe:/a:redhat:openshift_pipelines:1.20::el9

cpe:/a:redhat:service_mesh:2.6::el8

cpe:/a:redhat:service_mesh:3.0::el9

cpe:/a:redhat:service_mesh:3.1::el9

cpe:/a:redhat:service_mesh:3.2::el9

cpe:/a:redhat:service_mesh:3.3::el9

cpe:/a:redhat:quay:3.12::el8

cpe:/a:redhat:quay:3.15::el8

cpe:/a:redhat:quay:3.16::el9

cpe:/a:redhat:quay:3.17::el9

cpe:/a:redhat:quay:3.10::el8

cpe:/a:redhat:quay:3.9::el8

cpe:/a:redhat:satellite:6.18::el9

cpe:/a:redhat:multicluster_engine:2.10::el9

cpe:/a:redhat:multicluster_engine:2.11::el9

cpe:/a:redhat:multicluster_engine:2.6::el9

cpe:/a:redhat:multicluster_engine:2.7::el9

cpe:/a:redhat:multicluster_engine:2.8::el9

cpe:/a:redhat:multicluster_engine:2.9::el9

cpe:/a:redhat:logging:5

cpe:/a:redhat:rhmt:1

cpe:/a:redhat:workload_availability_nhc:0

cpe:/a:redhat:openshift_lightspeed

cpe:/a:redhat:openshift_pipelines:1

cpe:/a:redhat:red_hat_3scale_amp:2

cpe:/a:redhat:ansible_automation_platform:2

cpe:/a:redhat:service_registry:2

cpe:/a:redhat:connectivity_link:1

cpe:/a:redhat:edge_manager:1

cpe:/o:redhat:enterprise_linux:10

cpe:/o:redhat:enterprise_linux:9

cpe:/a:redhat:openshift_ai

cpe:/a:redhat:openshift:4

cpe:/a:redhat:openshift_data_foundation:4

cpe:/a:redhat:openshift_gitops:1

cpe:/a:redhat:container_native_virtualization:4

cpe:/a:redhat:satellite:6

cpe:/a:redhat:ansible_portal:2

cpe:/a:redhat:service_mesh:3

cpe:/o:redhat:enterprise_linux:8

cpe:/a:redhat:cluster_observability_operator:1.5::el9

cpe:/a:redhat:openshift:4.14::el9

cpe:/a:redhat:openshift:4.15::el9

cpe:/a:redhat:acm:2.14::el9

cpe:/a:redhat:edge_manager:1.0::el9

cpe:/a:redhat:openshift:4.12::el9

cpe:/a:redhat:edge_manager:1.1::el9

cpe:/a:redhat:openshift_data_foundation:4.20::el9

cpe:/a:redhat:edge_manager:1.1::el10

cpe:/a:redhat:rhmt:1.8::el8

cpe:/a:redhat:openshift_data_foundation:4.18::el9

cpe:/a:redhat:openshift_data_foundation:4.19::el9

cpe:/a:redhat:openshift:4.13::el9

Vulnerability dashboard

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