Deserialization in Stanfordnlp Stanza
CVE-2026-54499
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(…
Vulnerability class: Insecure Deserialization
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Stanfordnlp Stanza — versions < 1.12.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-54499?
- CVE-2026-54499 is a high-severity vulnerability in Stanfordnlp Stanza, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-07-08.
- How severe is CVE-2026-54499?
- High severity. CVSS v3 base score is 7.5 out of 10.