Dao-AILab vulnerabilities

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Published CVEs affecting Dao-AILab products: 1 record(s), with severity, exploitation and fixes.

Flash-attention 1

Exploited only (KEV) →

CVE-2026-62239 Medium · 6.6 CWE-59 Jul 13, 2026

FlashAttention Symlink Attack via tarfile.extractall in hopper/setup.py

FlashAttention through 2.8.3.post1, fixed in commit 0816ef1, contains a symlink attack vulnerability in the download_and_copy() function within hopper/setup.py that extracts NVIDIA toolchain archives without validating symlinks or filtering tar members. A local attacker can pre-plant a symlink in the predictable cache directory to redirect extracted binaries to an attacker-chosen location, enabling arbitrary file write with victim privileges during build time.