{"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":"2026-07-09T13:13:28.368Z"},"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"}},"adp":[{"references":[{"url":"https://github.com/stanfordnlp/stanza/security/advisories/GHSA-v5jw-96jm-7h2c","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T13:13:21.918884Z","id":"CVE-2026-54499","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-09T13:13:28.368Z"}}]}}