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CVE-2026-82393

🗓️ 31 Aug 2026 21:12:09Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 81 Views🌐 WEB

Path traversal in pnpm before 10.34.5/11.11.0 via tarball name field enables arbitrary file write.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-82393
31 Aug 202623:00
–circl
cvelist
Cvelist
CVE-2026-82393 pnpm: A tarball dependency's manifest `name` escapes node_modules → arbitrary file write/overwrite on install
31 Aug 202621:12
–cvelist
euvd
EUVD
EUVD-2026-68883
2 Sep 202614:36
–euvd
github
Github Security Blog
pnpm: A tarball dependency's manifest `name` escapes node_modules → arbitrary file write/overwrite on install
2 Sep 202614:36
–github
mend
Mend
CVE-2026-82393
31 Aug 202621:12
–mend
nvd
NVD
CVE-2026-82393
31 Aug 202622:17
–nvd
osv
OSV
CGA-39C5-7C8V-5H5J
4 Sep 202603:35
–osv
osv
OSV
CGA-4F8V-CMHM-RJ38
4 Sep 202612:56
–osv
osv
OSV
CGA-6P56-8J58-RQCH
4 Sep 202603:36
–osv
osv
OSV
CGA-6PP7-G46C-M6F2
4 Sep 202615:24
–osv
Rows per page
Vulners
Node
OR
pnpmpnpmRange<10.34.5
pnpmpnpmRange11.0.0–11.11.0
[
  {
    "vendor": "pnpm",
    "product": "pnpm",
    "versions": [
      {
        "version": "< 10.34.5",
        "status": "affected"
      },
      {
        "version": ">= 11.0.0, < 11.11.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
namepath/pnpm11/resolving/npm-resolver/src/pickPackage.tsPath traversal vulnerability in tarball dependency manifest name allowing attacker-controlled name to influence path joins during package resolution.CWE-22, CWE-73, CWE-94
namepath/pnpm11/installing/deps-resolver/src/resolvePeers.tsUnvalidated tarball manifest name reaching raw path joins during dependency resolution, enabling filesystem overwrite.CWE-22, CWE-73, CWE-94
namepath/pnpm11/installing/deps-resolver/src/index.tsPath traversal surface in installing/deps-resolver/index.ts due to unvalidated manifest name used in path construction.CWE-22, CWE-73, CWE-94
namepath/pnpm11/deps/graph-builder/src/lockfileToDepGraph.tsPath traversal via tarball manifest name affecting lockfile graph construction leading to arbitrary file overwrite.CWE-22, CWE-73, CWE-94

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09 Sep 2026 21:09Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.5
EPSS0.00626
SSVC
81