{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76139", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-08-19T18:59:18.093Z", "datePublished": "2026-08-19T20:47:50.883Z", "dateUpdated": "2026-08-19T20:47:50.883Z"}, "containers": {"cna": {"title": "Acm-operator-bundle: acm-operator-bundle: bundle build execs unpinned stolostron/release@master with full build credentials", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in acm-operator-bundle. The build process for this component downloads and runs a script from a remote source without verifying its authenticity or integrity. This script gains access to sensitive credentials, such as GitHub access tokens and registry passwords, used in the build environment. A remote attacker could exploit this vulnerability to inject malicious code, leading to unauthorized access to build resources and potential compromise of the resulting operator bundle."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Management for Kubernetes 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhacm2/acm-operator-bundle", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:acm:2"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-76139", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519852", "name": "RHBZ#2519852", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-19T19:38:18.854Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-829", "description": "Inclusion of Functionality from Untrusted Control Sphere", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-829: Inclusion of Functionality from Untrusted Control Sphere", "workarounds": [{"lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}], "timeline": [{"lang": "en", "time": "2026-07-27T21:12:47.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-19T19:38:18.854Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-19T20:47:50.883Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"bugzilla": {"description": "acm-operator-bundle: acm-operator-bundle: Bundle build execs unpinned stolostron/release@master with full build credentials", "id": "2519852", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519852"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-829", "details": ["A flaw was found in acm-operator-bundle. The build process for this component downloads and runs a script from a remote source without verifying its authenticity or integrity. This script gains access to sensitive credentials, such as GitHub access tokens and registry passwords, used in the build environment. A remote attacker could exploit this vulnerability to inject malicious code, leading to unauthorized access to build resources and potential compromise of the resulting operator bundle."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-76139", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/acm-operator-bundle", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}], "public_date": "2026-08-19T19:38:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-76139\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-76139"], "statement": "This is an Important supply chain vulnerability in the acm-operator-bundle build process. It allows for the execution of unverified external scripts with elevated privileges, including access to sensitive credentials and write access to the bundle PR, which could compromise the integrity of shipped bundles.", "threat_severity": "Important"}

{"created": "2026-08-20T09:30:04.707015+00:00", "updated": "2026-08-20T09:30:04.707022+00:00", "vendors": []}