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CVE-2026-62239: flash-attention 0 through 2.8.3.post1
CVE-2026-62239. CVSS 3.1 base score 6.6 (MEDIUM, Vendor/CNA). EPSS 0.00164 (percentile 0.05306), scored 24-Oct-2026.
Affected technology
flash-attention · 0 through 2.8.3.post1
Dao-AILab
Description’s affected range: through 2.8.3.post1, fixed in commit 0816ef1,
Component: Not specified by the source
Function: within
Attack conditions (Vendor/CNA, CVSS 4.0): Local · Low privileges required · Passive user interaction
What an attacker can do
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. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality and integrity impact as high; availability impact as none.
- CWE
- CWE-59
- CCR priority
- 26.4 /100 (P4)
- CVSS 3.1
- 6.6 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N · Vendor/CNA
- EPSS
- 0.00164 · percentile 0.05306 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-62239.html