{"id":"CVE-2026-8261","title":"A vulnerability was determined in Squirrel up to 3.2","summary":"A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. Th…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-119","CWE-122","CWE-120"],"published":"2026-05-11","updated":"2026-07-23","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8261","references":[{"url":"https://github.com/albertodemichelis/squirrel/issues/326","label":"cna@vuldb.com"},{"url":"https://github.com/biniamf/pocs/tree/main/squirrel-sqobject-functionproto-load-intovf-lineinfos","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/809904","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/362558","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/362558/cti","label":"cna@vuldb.com"},{"url":"https://github.com/albertodemichelis/squirrel/issues/326","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://vuldb.com/submit/809904","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8261.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-8261"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2468988"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-8261"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8261"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00154,"epssPercentile":0.04455,"ingestedAt":"2026-07-23T20:19:18.433Z","vendor":"Red Hat","product":"Red Hat OpenShift Container Platform 4","affected":["deployment_validation_operator","mcp_server_for_red_hat_openshift","multicluster_global_hub","openshift_developer_tools_and_services","openshift_lightspeed","openshift_service_mesh 2","openshift_service_mesh 3","advanced_cluster_management_for_kubernetes 2","advanced_cluster_security 4","ceph_storage 6","ceph_storage 9","openshift_ai_rhoai","openshift_container_platform 4","openshift_gitops","openshift_virtualization 4","openstack_platform 16.2","openstack_platform 17.1","openstack_platform 18.0","trusted_artifact_signer","trusted_profile_analyzer"],"scores":{"nvd":5.9,"vendor":6.1},"slug":"CVE-2026-8261","body":"## Overview\n\nA vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Deployment Validation Operator, MCP Server for Red Hat OpenShift, Multicluster Global Hub, OpenShift Developer Tools and Services, OpenShift Lightspeed, OpenShift Service Mesh 2, … · no fix planned: Deployment Validation Operator, MCP Server for Red Hat OpenShift, Multicluster Global Hub, OpenShift Developer Tools and Services, … · updated 2026-10-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8261.json)","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}