{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54499", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T18:01:15.511Z", "datePublished": "2026-07-08T22:23:02.664Z", "dateUpdated": "2026-07-08T22:23:02.664Z"}, "containers": {"cna": {"title": "Stanza: Remote Code Execution via Unsafe Pickle Deserialization in Model Loaders", "problemTypes": [{"descriptions": [{"cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-676", "lang": "en", "description": "CWE-676: Use of Potentially Dangerous Function", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/stanfordnlp/stanza/security/advisories/GHSA-v5jw-96jm-7h2c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/stanfordnlp/stanza/security/advisories/GHSA-v5jw-96jm-7h2c"}, {"name": "https://github.com/stanfordnlp/stanza/pull/1587", "tags": ["x_refsource_MISC"], "url": "https://github.com/stanfordnlp/stanza/pull/1587"}, {"name": "https://github.com/stanfordnlp/stanza/commit/b745008c68c9e50ccb5acd537cb6f2453f8b7ad4", "tags": ["x_refsource_MISC"], "url": "https://github.com/stanfordnlp/stanza/commit/b745008c68c9e50ccb5acd537cb6f2453f8b7ad4"}, {"name": "https://github.com/stanfordnlp/stanza/releases/tag/v1.12.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/stanfordnlp/stanza/releases/tag/v1.12.2"}], "affected": [{"vendor": "stanfordnlp", "product": "stanza", "versions": [{"version": "< 1.12.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-08T22:23:02.664Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-v5jw-96jm-7h2c", "discovery": "UNKNOWN"}}}}

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