CVE-2026-112107ztxz16 fastllm Safetensors Weight Loading model.cpp CreateBuffer buffer overflow
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No exploitation reported and no EPSS estimate yet.
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A flaw has been found in ztxz16 fastllm up to 1.8.2. Affected by this issue is the function SafeTensorItem::CreateBuffer of the file src/model.cpp of the component Safetensors Weight Loading. This manipulation of the argument data_offsets causes buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
- Weakness (CWE)
- CWE-120, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Received
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 19, 2026
Affected products
ztxz16 fastllm ztxz16:fastllm | 1.8.0; 1.8.1; 1.8.2 | CNA record |
References
- https://vuldb.com/vuln/422072vdb-entry, technical-description
- https://vuldb.com/vuln/422072/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-112107third-party-advisory
- https://vuldb.com/submit/1013187third-party-advisory
- https://github.com/ztxz16/fastllm/issues/758issue-tracking
- https://github.com/user-attachments/files/33027393/poc.zipexploit
- https://github.com/ztxz16/fastllm/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.