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CVE-2026-62239 FlashAttention Symlink Attack via tarfile.extractall in hopper/setup.py

🗓️ 13 Jul 2026 21:03:32Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 64 Views

CVE-2026-62239: FlashAttention symlink attack in setup.py enables arbitrary file writes during tar extraction.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-62239
13 Jul 202621:03
–attackerkb
circl
Circl
CVE-2026-62239
13 Jul 202621:39
–circl
cve
CVE
CVE-2026-62239
13 Jul 202621:03
–cve
euvd
EUVD
EUVD-2026-43554
14 Jul 202600:31
–euvd
nvd
NVD
CVE-2026-62239
13 Jul 202622:16
–nvd
ptsecurity
Positive Technologies
PT-2026-57903
13 Jul 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-62239: Improper Link Resolution Before File Access
13 Jul 202600:00
–rapid7
snyk
Snyk
Symlink Attack
13 Jul 202622:45
–snyk
vulnrichment
Vulnrichment
CVE-2026-62239 FlashAttention Symlink Attack via tarfile.extractall in hopper/setup.py
13 Jul 202621:03
–vulnrichment
[
  {
    "vendor": "Dao-AILab",
    "product": "flash-attention",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/flash-attn",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "custom",
        "lessThanOrEqual": "2.8.3.post1"
      },
      {
        "status": "unaffected",
        "version": "0816ef12f424c6ec94b057a72c275b14f6e6edb2",
        "versionType": "git"
      }
    ],
    "repo": "https://github.com/Dao-AILab/flash-attention"
  }
]

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17 Sep 2026 17:54Current
CVSS 45.3
CVSS 3.16.6
EPSS0.00164
SSVC
64