Hugging Face peft's LoRA-GA and CorDA initialization modules (src/peft/tuners/lora/corda.py lines ~102 and ~163, and src/peft/tuners/lora/loraga.py line ~101) call torch.load() on config-specified cache/covariance files without weights_only=True, bypassing peft's own safe-loading wrapper used elsewhere in the codebase. Because torch.load() without weights_only=True performs full pickle deserialization, loading a malicious cache or covariance file (e.g. a shared/downloaded LoRA-GA or CorDA cache) results in arbitrary code execution.
Metrics
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History
Wed, 05 Aug 2026 16:30:00 +0000
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Wed, 05 Aug 2026 13:15:00 +0000
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| Description | Hugging Face peft's LoRA-GA and CorDA initialization modules (src/peft/tuners/lora/corda.py lines ~102 and ~163, and src/peft/tuners/lora/loraga.py line ~101) call torch.load() on config-specified cache/covariance files without weights_only=True, bypassing peft's own safe-loading wrapper used elsewhere in the codebase. Because torch.load() without weights_only=True performs full pickle deserialization, loading a malicious cache or covariance file (e.g. a shared/downloaded LoRA-GA or CorDA cache) results in arbitrary code execution. | |
| Title | peft Unsafe Deserialization via torch.load() Without weights_only in LoRA-GA and CorDA Modules | |
| Weaknesses | CWE-502 | |
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cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: TuranSec
Published:
Updated: 2026-08-05T15:51:29.940Z
Reserved: 2026-08-05T12:23:34.968Z
Link: CVE-2026-71281
Vulnrichment
Updated: 2026-08-05T15:51:22.177Z
NVD
No data.
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-08-05T15:30:17Z