CVE-2026-54499 - Stanza: Remote Code Execution via Unsafe Pickle Deserialization in Model Loaders

CVE-2026-54499 - Stanza: Remote Code Execution via Unsafe Pickle Deserialization in Model Loaders

https://cvefeed.io/rssfeed/latest.atom / Thu, 07/09/2026 - 01:04
CVE ID :CVE-2026-54499
Published : July 8, 2026, 10:23 p.m. | 22 minutes ago
Description :Stanza is a Stanford NLP Python library for tokenization, sentence segmentation, NER, and parsing of many human languages. Prior to 1.12.2, Stanza model loaders such as stanza.models.common.pretrain.Pretrain.load() attempt torch.load(..., weights_only=True) but fall back to torch.load(..., weights_only=False) on attacker-controllable pickle.UnpicklingError, allowing a malicious .pt pretrain or model file to execute arbitrary pickle code when a Stanza NLP pipeline loads it. This issue is fixed in version 1.12.2.
Severity: 0.0 | NA
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