[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2026-78683":6},{"stargazers_count":4,"fetched_at":5},7,"2026-08-24T22:49:06.576Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":24,"aliases":25,"duplicate_of":9,"upstream":26,"downstream":27,"duplicates":28,"related":29,"reserved_at":9,"published_at":30,"modified_at":30,"state":31,"summary":32,"references_raw":39,"kevs":51,"epss":9,"epss_history":52,"metrics":53,"affected":66},"CVE-2026-78683","NLTK before 3.10.0 (affected versions \u003C=3.9.4) contains an unsafe pickle deserialization vulnerability in the TransitionParser.parse() method (nltk/parse/transitionparser.py). The method calls pickle_load() with the default restricted=False, routing deserialization through WarningUnpickler, which does not override find_class() and therefore permits arbitrary class resolution. When an application loads an attacker-crafted model file, embedded pickle gadget chains execute arbitrary Python code with the privileges of the user running the application. NLTK provides a RestrictedUnpickler for safe deserialization, but it is not used by production code paths. Fixed in 3.10.0.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-502","Deserialization of Untrusted Data","The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.","weakness","Draft","Base","Medium",[20],{"id":21,"name":22,"techniques":23},"CAPEC-586","Object Injection",[],[],[],[],[],[],[],"2026-08-25T01:30:39.451Z","Received",{"cisa_kev":33,"cisa_ransomware":33,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":34,"severity_score":35,"severity_version":36,"severity_source":37,"severity_vector":38,"severity_status":31},false,"critical",9.6,"v3.1","cve.org","CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",[40,46],{"url":41,"sources":42,"tags":44},"https://github.com/nltk/nltk/security/advisories/GHSA-rhp5-r9x4-f5g2",[37,43],"nvd",[45],"Vendor Advisory",{"url":47,"sources":48,"tags":49},"https://www.vulncheck.com/advisories/nltk-before-remote-code-execution-via-unsafe-pickle-deserialization",[37,43],[50],"Third Party Advisory",[],[],[54,62],{"source":37,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":55,"cvss_v4_0":59},{"baseScore":35,"baseSeverity":56,"vectorString":38,"impactScore":57,"exploitabilityScore":58},"CRITICAL",10,7.2,{"baseScore":60,"baseSeverity":56,"vectorString":61,"impactScore":9,"exploitabilityScore":9},9.4,"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",{"source":43,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":63,"cvss_v4_0":64},{"baseScore":35,"baseSeverity":56,"vectorString":38,"impactScore":57,"exploitabilityScore":58},{"baseScore":60,"baseSeverity":56,"vectorString":65,"impactScore":9,"exploitabilityScore":9},"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",[67],{"ecosystem":9,"name":68,"vendor":68,"product":68,"cpe_part":69,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":70},"nltk","a",[71],{"version":72,"is_range":73,"range_type":37,"version_start":9,"version_start_type":9,"version_end":74,"version_end_type":75,"fixed_in":9},"\u003C 3.10.0",true,"3.10.0","excluding"]