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TI-2026-71527 Aliases CVE-2026-108960

Out-of-bounds read in Tiiny-AI PowerInfer FFN GPU-split loader

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Tiiny-AI PowerInfer up to commit 8bd56d6 has an out-of-bounds read in the create_striped_mat_to_gpu function of its FFN GPU-split loader (CWE-125). A local attacker with low privileges can read memory outside the intended buffer. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

A vulnerability was detected in Tiiny-AI PowerInfer up to 8bd56d69906c9d2dba4d3bf6899763401e01a9a4. Affected is the function create_striped_mat_to_gpu of the file smallthinker/ggml/src/ggml-cuda/ggml-cuda.cu of the component FFN GPU-split Loader. The manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit is now public and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00112 1st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Tiiny-AIPowerInfer8bd56d69906c9d2dba4d3bf6899763401e01a9a4—No fix listedCNA
  • PowerInfer VendorTiiny-AI Affected 8bd56d69906c9d2dba4d3bf6899763401e01a9a4 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:tiiny-ai:powerinfer:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:tiiny-ai:powerinfer:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for Tiiny-AI PowerInfer. A pull request to fix this issue awaits acceptance.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-108960
  2. 2026-10-13 CISA SSVC decision points changed
  3. 2026-10-13 Priority changed: LOW → MEDIUM

References

Exploit 1

Other 1

  • TI-2026-71522 Out-of-bounds read in Tiiny-AI PowerInfer GGUF parser CVSS 4.0MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences