CVE-2026-55697

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{"bugzilla": {"description": "pnpm: pnpm: Arbitrary code execution via improper handling of config dependencies", "id": "2493038", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493038"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-349", "details": ["pnpm is a package manager. Prior to 10.34.2 and 11.5.3, pnpm can install configDependencies declared in pnpm-workspace.yaml before command dispatch. Before the patch, a repository could declare pacquet or @pnpm/pacquet as a config dependency and pnpm treated that repository-controlled dependency as an install-engine opt-in. During install, pnpm resolved a platform-specific @pacquet/<platform>-<arch>/pacquet binary from node_modules/.pnpm-config/<packageName> and spawned it as the developer or CI user. This vulnerability is fixed in 10.34.2 and 11.5.3.", "A flaw was found in pnpm, a package manager. A remote attacker could exploit this vulnerability by crafting a malicious repository that declares a configDependency in its pnpm-workspace.yaml file. When a user installs packages from this repository, pnpm improperly treats the declared dependency as an install-engine opt-in, leading to the execution of a malicious binary. This allows for arbitrary code execution on the system of the developer or continuous integration (CI) user."], "name": "CVE-2026-55697", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Not affected", "package_name": "pnpm", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Affected", "package_name": "pnpm", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Affected", "package_name": "pnpm", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "pnpm", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-06-25T16:42:08Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-55697\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-55697\nhttps://github.com/pnpm/pnpm/security/advisories/GHSA-gj8w-mvpf-x27x"], "statement": "This is an Important arbitrary code execution flaw in pnpm, a package manager. A remote attacker could exploit this by crafting a malicious repository that, when used by a developer or CI system, leads to the execution of a malicious binary. This vulnerability arises from pnpm's improper handling of `configDependencies` declared in `pnpm-workspace.yaml`, allowing an untrusted repository to opt into a native install engine.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,10.34.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0,11.5.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pnpm", "source": "cna", "vendor": "pnpm"}, "product": "pnpm", "vendor": "pnpm"}], "created": "2026-06-25T19:15:16.522904+00:00", "updated": "2026-08-02T01:30:04.453474+00:00", "vendors": ["pnpm", "pnpm$PRODUCT$pnpm"]}