{"id":"CVE-2020-7768","aliases":["CLSA-2026-1793796156","EUVD-2021-1152","GHSA-pp75-xfpw-37g9"],"status":"published","title":"Prototype Pollution","description":"The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.04026,"percentile":0.90663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-915"],"published":"2020-11-11T10:20:16Z","modified":"2026-11-04T19:00:35Z","fixes":[{"ecosystem":"npm","package":"grpc","fixed_in":["1.24.4"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"@grpc/grpc-js","fixed_in":["1.1.8"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"grpc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.4"}]}]},{"source":"ghsa","ecosystem":"npm","package":"@grpc/grpc-js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.8"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"@grpc/grpc-js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.6.9-tuxcare.0"},{"fixed":"0.6.9-tuxcare.2"}]}],"versions":["0.6.9","0.6.9-tuxcare.1"],"bundled":4},{"source":"osv","ecosystem":"npm","package":"grpc","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.24.4"}]}]},{"source":"osv","ecosystem":"npm","package":"@grpc/grpc-js","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.1.8"}]}]}],"products":[{"vendor":"google","product":"grpc"},{"vendor":"grpc","product":"grpc"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-GRPC-598671","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","advisory","web"]},{"url":"https://snyk.io/vuln/SNYK-JS-GRPCGRPCJS-1038818","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","advisory","web"]},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038819","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","advisory","web"]},{"url":"https://github.com/grpc/grpc-node/pull/1605","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/grpc/grpc-node/pull/1606","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7768","tags":["advisory"]},{"url":"https://github.com/grpc/grpc-node/releases/tag/grpc%401.24.4","tags":["web"]},{"url":"https://www.npmjs.com/package/@grpc/grpc-js","tags":["web"]},{"url":"https://www.npmjs.com/package/grpc","tags":["web"]},{"url":"https://github.com/advisories/GHSA-pp75-xfpw-37g9"}],"sources":{"cve":[{"id":"CVE-2020-7768","title":"Prototype Pollution","description":"The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.","status":"published","published":"2020-11-11T10:20:16.848Z","modified":"2024-09-17T00:01:51.703Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2021-1152","description":"The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.","status":"published","published":"2020-11-11T10:20:16Z","modified":"2024-09-17T00:01:51Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:29:02.877229Z"}],"ghsa":[{"id":"GHSA-pp75-xfpw-37g9","title":"Prototype pollution in grpc and @grpc/grpc-js","description":"\"The package grpc before 1.24.4 and the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.\"","status":"published","published":"2021-05-10T19:16:14Z","modified":"2023-01-27T05:09:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-915","CWE-1321"],"updated_at":"2026-11-02T14:36:22.592333Z"}],"nvd":[{"id":"CVE-2020-7768","description":"The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.","status":"published","published":"2020-11-11T11:15:10.93Z","modified":"2026-06-17T03:25:24.727Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:06:24.137599Z"}],"osv":[{"id":"CVE-2020-7768","description":"The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.","status":"published","published":"2020-11-11T11:15:10.93Z","modified":"2026-10-24T14:24:33.879606695Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:17.34531Z"},{"id":"GHSA-pp75-xfpw-37g9","title":"Prototype pollution in grpc and @grpc/grpc-js","description":"\"The package grpc before 1.24.4 and the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.\"","status":"published","published":"2021-05-10T19:16:14Z","modified":"2025-01-14T08:57:34.513174Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1321","CWE-915"],"updated_at":"2026-11-02T15:46:53.244788Z"},{"id":"CLSA-2026-1793796156","title":"TuxCare security update for @grpc/grpc-js (4 CVEs)","description":"TuxCare rebuilt @grpc/grpc-js to address 4 CVEs. Fixed in 0.6.9-tuxcare.2.","status":"published","published":"2026-11-04T13:42:37Z","modified":"2026-11-04T19:00:35.346384603Z","updated_at":"2026-11-04T19:15:03.6858Z"}]}}