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{"bugzilla": {"description": "decompress: @xhmikosr/decompress: Decompress: Arbitrary file read/write via crafted archive extraction", "id": "2500679", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500679"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-22", "details": ["A flaw was found in the decompress package for Node.js. A remote attacker can exploit this vulnerability by crafting a malicious archive. When the archive is extracted, it can create files and links outside the intended directory, leading to unauthorized reading or writing of files. This is due to improper handling of hardlink and symlink entries, insufficient path containment checks, and failure to remove setuid, setgid, or sticky bits from file modes. This can result in high confidentiality and integrity impacts."], "mitigation": {"lang": "en:us", "value": "There is no upstream fix for the original, unmaintained decompress npm package used by these components (last release 4.2.1). The maintained fork, @xhmikosr/decompress, resolves this issue in versions 10.2.1 and 11.1.3, but is not used by any affected Red Hat component. As a general mitigation, only extract archives from trusted sources with the affected tooling, run extraction as a non-root user to prevent the setuid/setgid/sticky-bit issue from creating a privileged file, and verify that any symlinks or hardlinks produced by extraction resolve inside the intended output directory."}, "name": "CVE-2026-53486", "package_state": [{"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Out of support scope", "package_name": "rhacm2/volsync-operator-bundle", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Out of support scope", "package_name": "rhacm2/volsync-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "decompress", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "impact": "important", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-07-14T20:07:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53486\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53486\nhttps://github.com/XhmikosR/decompress/commit/281cefa00cd4275c10479bc5f1abba6b14dee8bd\nhttps://github.com/XhmikosR/decompress/commit/60b5299402e72b0b53ca2e55222e9a1ccb44afae\nhttps://github.com/XhmikosR/decompress/commit/9fcda4b0a66ca22dc8d337f9b0e7c30293c5fb89\nhttps://github.com/XhmikosR/decompress/commit/aca5aac415dc04a6fae5200e51368cff436a09dd\nhttps://github.com/XhmikosR/decompress/releases/tag/v10.2.1\nhttps://github.com/XhmikosR/decompress/releases/tag/v11.1.3\nhttps://github.com/XhmikosR/decompress/security/advisories/GHSA-mp2f-45pm-3cg9"], "statement": "Red Hat Build of Keycloak, Red Hat Advanced Cluster Management (VolSync), Red Hat Hardened Images (dotnet8.0), and the Fedora/EPEL yarnpkg packages bundle the original, unmaintained npm decompress package (version 4.2.1 or earlier), which does not receive an upstream fix for this issue. None of these components use the actively maintained @xhmikosr/decompress fork that received the fix in versions 10.2.1 and 11.1.3. Red Hat rates this issue with a CVSS score of 8.1 (Important), reflecting that in these products archive extraction is performed on locally supplied or build-time archives rather than automatically on arbitrary network-supplied input, which Red Hat scores as requiring user interaction (UI:R) in contrast to the upstream CVSS score of 9.1.", "threat_severity": "Important"}