PatchTheCVECVE-2026-54499: Stanza is a Stanford NLP Python library for tokenization, sentence segmentation, NER, and parsing of many huma
CVE-2026-54499 is a high-severity flaw (CVSS 7.5) affecting stanza. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 St
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-54499?
stanza: upgrade to 1.12.2. Exact commands for each OS are on this page.
Is CVE-2026-54499 being exploited?
CVE-2026-54499 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-54499 affect?
CVE-2026-54499 affects stanza. Severity is high (CVSS 7.5). 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(..., w
How urgent is CVE-2026-54499?
Priority 42/100. High severity; Public exploit reference