{"id":"CVE-2026-48995","aliases":["EUVD-2026-39497","GHSA-hg3w-7f8c-63hp","ROOT-APP-NPM-CVE-2026-48995"],"status":"published","title":"pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile","description":"pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00171,"percentile":0.06512,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-353"],"published":"2026-06-25T16:58:57Z","modified":"2026-10-28T02:30:43Z","fixes":[{"ecosystem":"npm","package":"pnpm","fixed_in":["10.33.4","11.0.7"],"sources":["ghsa","osv"]},{"ecosystem":"Root:npm","package":"@rootio/pnpm","fixed_in":["10.32.1-root.io.4"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"pnpm","fixed_in":["10.32.1-aikido.4"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"pnpm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.33.4"}]}]},{"source":"ghsa","ecosystem":"npm","package":"pnpm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.0.7"}]}]},{"source":"osv","ecosystem":"npm","package":"pnpm","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"10.33.4"}]}]},{"source":"osv","ecosystem":"npm","package":"pnpm","ranges":[{"type":"SEMVER","events":[{"introduced":"11.0.0"},{"fixed":"11.0.7"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/pnpm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32.1-root.io.4"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"pnpm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32.1-aikido.4"}]}]}],"products":[{"vendor":"pnpm","product":"pnpm"}],"references":[{"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-hg3w-7f8c-63hp","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48995","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hg3w-7f8c-63hp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48995.json","tags":["advisory"]},{"url":"https://github.com/pnpm/pnpm","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-48995","title":"pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile","description":"pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.","status":"published","published":"2026-06-25T16:58:57.536Z","modified":"2026-06-26T02:11:55.249Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"medium","assessor":"cna"}],"cwes":["CWE-353"],"updated_at":"2026-11-02T13:50:49.872037Z"}],"euvd":[{"id":"EUVD-2026-39497","description":"pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.","status":"published","published":"2026-06-25T16:58:57Z","modified":"2026-06-26T02:11:55Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"medium"}],"updated_at":"2026-11-02T18:20:25.316004Z"}],"ghsa":[{"id":"GHSA-hg3w-7f8c-63hp","title":"pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile","description":"### Summary\n\nA malicious `codeload.github.com` server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile.\n\n### Details\n\nThe lockfile does not store the hash of the dependencies from https://codeload.github.com\n\nThis means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies.\n\n### PoC\n\n```sh\n\u003e pnpm -v     \n10.28.2\n```\n\nGiven the following package.json:\n\n```json\n{\n  \"dependencies\": {\n    \"add\": \"git://github.com/dsherret/npm-git-dep.git#b3eeb9b\"\n  }\n}\n```\n\nThis produces a lockfile like so:\n\n```yaml\nlockfileVersion: '9.0'\n\nsettings:\n  autoInstallPeers: true\n  excludeLinksFromLockfile: false\n\nimporters:\n\n  .:\n    dependencies:\n      add:\n        specifier: git://github.com/dsherret/npm-git-dep.git#b3eeb9b\n        version: https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b\n\npackages:\n\n  add@https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b:\n    resolution: {tarball: https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b}\n    version: 1.0.0\n\nsnapshots:\n\n  add@https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b: {}\n```\n\nNotice that there is no hash. The `b3eeb9b` is not sufficient because I can configure my machine to resolve a compromised tarball from that url (I tested it out and pnpm just installs it).\n\n### Impact\n\nAnyone relying on github git dependencies.","status":"published","published":"2026-06-26T21:49:22Z","modified":"2026-06-26T21:49:26Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-353"],"updated_at":"2026-11-02T14:40:34.713036Z"}],"nvd":[{"id":"CVE-2026-48995","description":"pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.","status":"published","published":"2026-06-25T18:16:38.687Z","modified":"2026-06-29T20:30:18.52Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-353"],"updated_at":"2026-11-02T14:12:26.045561Z"}],"osv":[{"id":"CVE-2026-48995","title":"pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile","description":"pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.","status":"published","published":"2026-06-25T16:58:57.536Z","modified":"2026-10-28T02:30:43.801323321Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-353"],"updated_at":"2026-11-02T15:45:07.060148Z"},{"id":"GHSA-hg3w-7f8c-63hp","title":"pnpm: Tarball hash of GitHub git dependencies is not stored in lockfile","description":"### Summary\n\nA malicious `codeload.github.com` server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile.\n\n### Details\n\nThe lockfile does not store the hash of the dependencies from https://codeload.github.com\n\nThis means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies.\n\n### PoC\n\n```sh\n\u003e pnpm -v     \n10.28.2\n```\n\nGiven the following package.json:\n\n```json\n{\n  \"dependencies\": {\n    \"add\": \"git://github.com/dsherret/npm-git-dep.git#b3eeb9b\"\n  }\n}\n```\n\nThis produces a lockfile like so:\n\n```yaml\nlockfileVersion: '9.0'\n\nsettings:\n  autoInstallPeers: true\n  excludeLinksFromLockfile: false\n\nimporters:\n\n  .:\n    dependencies:\n      add:\n        specifier: git://github.com/dsherret/npm-git-dep.git#b3eeb9b\n        version: https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b\n\npackages:\n\n  add@https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b:\n    resolution: {tarball: https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b}\n    version: 1.0.0\n\nsnapshots:\n\n  add@https://codeload.github.com/dsherret/npm-git-dep/tar.gz/b3eeb9b: {}\n```\n\nNotice that there is no hash. The `b3eeb9b` is not sufficient because I can configure my machine to resolve a compromised tarball from that url (I tested it out and pnpm just installs it).\n\n### Impact\n\nAnyone relying on github git dependencies.","status":"published","published":"2026-06-26T21:49:22Z","modified":"2026-06-26T22:11:31.075929Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U","level":"medium"}],"cwes":["CWE-353"],"updated_at":"2026-11-02T15:46:48.920784Z"},{"id":"ROOT-APP-NPM-CVE-2026-48995","title":"CVE-2026-48995 in @rootio/pnpm - Patched by Root","description":"Root has patched CVE-2026-48995 in the @rootio/pnpm package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-07-30T10:40:28Z","modified":"2026-07-30T12:18:49.087583437Z","updated_at":"2026-11-02T15:53:27.649662Z"}]}}