{"id":"CVE-2026-88922","state":"PUBLISHED","title":"Go-getter vulnerable to a privilege escalation issue in its archive decompression handling","description":"The go-getter library up to versions 1.8.8 and 2.2.3 is vulnerable to a privilege escalation issue in its archive decompression handling that may allow a crafted archive to cause extracted files to be created with elevated permission bits. Where extraction is performed by a privileged user, this may allow a local actor to obtain the privileges of the extracting process. This vulnerability (CVE-2026-88922) is fixed in go-getter 1.8.9 and 2.2.4.","publishedAt":"2026-09-15T19:45:07.836Z","updatedAt":"2026-09-20T00:40:33.962Z","severity":{"score":6.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Shared library"],"affected":[{"vendor":"HashiCorp","product":"Shared library","defaultStatus":"unaffected","versions":[{"version":"1.0.1","status":"affected","lessThan":"2.2.4","changes":[{"at":"1.8.9","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/go-getter"}],"references":["https://discuss.hashicorp.com/t/hcsec-2026-39-go-getter-vulnerable-to-a-privilege-escalation-issue-in-its-archive-decompression-handling/77752"],"weaknesses":["CWE-281"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/88xxx/CVE-2026-88922.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-88922","state":"PUBLISHED","datePublished":"2026-09-15T19:45:07.836Z","dateUpdated":"2026-09-20T00:40:33.962Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2026-09-10T13:56:47.632Z"},"containers":{"cna":{"title":"Go-getter vulnerable to a privilege escalation issue in its archive decompression handling","descriptions":[{"lang":"en","value":"The go-getter library up to versions 1.8.8 and 2.2.3 is vulnerable to a privilege escalation issue in its archive decompression handling that may allow a crafted archive to cause extracted files to be created with elevated permission bits. Where extraction is performed by a privileged user, this may allow a local actor to obtain the privileges of the extracting process. This vulnerability (CVE-2026-88922) is fixed in go-getter 1.8.9 and 2.2.4."}],"affected":[{"vendor":"HashiCorp","product":"Shared library","defaultStatus":"unaffected","versions":[{"version":"1.0.1","status":"affected","lessThan":"2.2.4","changes":[{"at":"1.8.9","status":"unaffected"}],"versionType":"semver"}],"platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/go-getter"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-39-go-getter-vulnerable-to-a-privilege-escalation-issue-in-its-archive-decompression-handling/77752"}],"metrics":[{"cvssV3_1":{"baseScore":6.7,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-281","description":"CWE-281: Improper Preservation of Permissions","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2026-09-15T19:45:07.836Z"},"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Kris Kennaway."}],"impacts":[{"capecId":"CAPEC-17","descriptions":[{"lang":"en","value":"CAPEC-17: Using Malicious Files"}]}],"source":{"advisory":"HCSEC-2026-39","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-20T00:40:26.832117Z","id":"CVE-2026-88922","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-20T00:40:33.962Z"}}]}}}