{"answers":{"affected":"3 open source packages ship an affected version, including nltk. It affects 1 product.","exploited":"There is no known exploitation of CVE-2019-14751 in the wild and no public exploit code.","fix":"Upgrade nltk to 3.4.5 or later.","what":"CVE-2019-14751 is a high-severity path traversal vulnerability in n/a, published on 22 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2019-14751 and fix it if it is affected.\n\nWhat it is: CVE-2019-14751 is a high-severity path traversal vulnerability in n/a, published on 22 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2019-14751 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- nltk (PyPI): affected all versions; fixed in 3.4.5\n- nltk (PyPI): affected all versions; fixed in 3.4.5\n- nltk (PyPI): affected all versions; fixed in 3.4.5\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2019-14751/ (Markdown: https://insights.sbomify.com/CVE-2019-14751/index.md)","id":"CVE-2019-14751","markdown":"https://insights.sbomify.com/CVE-2019-14751/index.md","name":"CVE-2019-14751","record":{"aliases":["DEBIAN-CVE-2019-14751","GHSA-mr7p-25v2-35wr","MGASA-2020-0160","PYSEC-2019-106","UBUNTU-CVE-2019-14751","USN-4106-1","openSUSE-SU-2020:0436-1","openSUSE-SU-2020:0440-1","openSUSE-SU-2024:11241-1"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"NLTK Python library","requires_auth":"none","summary":"Attackers can write arbitrary files via directory traversal in NLTK Downloader when extracting malicious ZIP archives.","user_interaction":"not_required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"nltk","vendor":"nltk"}],"cvss":{"score":7.5,"severity":"high","source":"nvd","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.0"},"cwes":[{"id":"CWE-22","name":"Improper Limitation of a Pathname to a Restricted Directory"}],"description":"NLTK Downloader before 3.4.5 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in an NLTK package (ZIP archive) that is mishandled during extraction.","ecosystems":["PyPI","SUSE:Package Hub 15 SP1","openSUSE:Leap 15.1","openSUSE:Tumbleweed"],"exploits":{"exploitdb":0,"first_seen":"2019-08-09","github_poc":1,"max_poc_stars":4,"metasploit":0,"nuclei":0,"refs":[{"date":"2019-08-09T16:56:54Z","kind":"github_poc","ref":"https://github.com/mssalvatore/CVE-2019-14751_PoC","stars":4,"title":"A Proof of Concept for CVE-2019-14751"}],"tier":"poc_unverified"},"has_fix":true,"headline":"NLTK Vulnerable To Path Traversal","id":"CVE-2019-14751","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":null,"products":[],"type":"path_traversal","year":"2019"},"n_packages":6,"n_references":8,"next":{"headline":"Cross-site scripting in n/a","id":"CVE-2019-14752"},"packages":[{"ecosystem":"PyPI","fixed":["3.4.5"],"introduced":["0"],"last_affected":[],"package":"nltk","purl":null,"source":"GHSA-mr7p-25v2-35wr"},{"ecosystem":"PyPI","fixed":["3.4.5"],"introduced":["0"],"last_affected":[],"package":"nltk","purl":"pkg:pypi/nltk","source":"GHSA-mr7p-25v2-35wr"},{"ecosystem":"PyPI","fixed":["3.4.5"],"introduced":["0"],"last_affected":[],"package":"nltk","purl":"pkg:pypi/nltk","source":"PYSEC-2019-106"},{"ecosystem":"SUSE:Package Hub 15 SP1","fixed":["3.4.5-bp151.4.3.1"],"introduced":["0"],"last_affected":[],"package":"python-nltk","purl":"pkg:rpm/suse/python-nltk\u0026distro=SUSE%20Package%20Hub%2015%20SP1","source":"openSUSE-SU-2020:0440-1"},{"ecosystem":"openSUSE:Leap 15.1","fixed":["3.4.5-lp151.4.3.1"],"introduced":["0"],"last_affected":[],"package":"python-nltk","purl":"pkg:rpm/opensuse/python-nltk\u0026distro=openSUSE%20Leap%2015.1","source":"openSUSE-SU-2020:0436-1"},{"ecosystem":"openSUSE:Tumbleweed","fixed":["3.5-1.10"],"introduced":["0"],"last_affected":[],"package":"python-nltk","purl":"pkg:rpm/opensuse/python-nltk\u0026distro=openSUSE%20Tumbleweed","source":"openSUSE-SU-2024:11241-1"}],"prev":{"headline":"Cross-site scripting in n/a","id":"CVE-2019-14750"},"products":["n/a"],"published":"2019-08-22","related":[{"cvss_score":10,"headline":"Arbitrary Code Execution in NLTK StanfordSegmenter via Untrusted JAR Loading","id":"CVE-2026-0848","kev_date_added":null,"published":"2026-03-05"},{"cvss_score":10,"headline":"Zip Slip Vulnerability in nltk/nltk Leading to Remote Code Execution","id":"CVE-2025-14009","kev_date_added":null,"published":"2026-02-18"},{"cvss_score":9.4,"headline":"NLTK before 3.10.0 Remote Code Execution via Unsafe Pickle Deserialization","id":"CVE-2026-78683","kev_date_added":null,"published":"2026-08-25"},{"cvss_score":9.3,"headline":"NLTK before 3.10.3 Remote Code Execution via Unsafe Pickle Deserialization","id":"CVE-2026-79657","kev_date_added":null,"published":"2026-08-25"},{"cvss_score":9.3,"headline":"NLTK before 3.10.3 JVM Argument Injection via Per-Call Options","id":"CVE-2026-79675","kev_date_added":null,"published":"2026-08-25"},{"cvss_score":8.8,"headline":"NLTK 3.10.2 Path Traversal via corpus-reader constructors","id":"CVE-2026-79674","kev_date_added":null,"published":"2026-08-25"},{"cvss_score":8.7,"headline":"nltk PorterStemmer before 3.10.3 Quadratic-time DoS","id":"CVE-2026-81722","kev_date_added":null,"published":"2026-08-27"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"PyPA Advisory Database","prefix":"PYSEC"},{"class":"attribution","licence":"CC BY 4.0","name":"SUSE","prefix":"openSUSE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"},{"class":"open","licence":"CC0","name":"PoC-in-GitHub"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-05","vendors":["n/a"]},"summary":"Attackers can write arbitrary files via directory traversal in NLTK Downloader when extracting malicious ZIP archives.","url":"https://insights.sbomify.com/CVE-2019-14751/"}