{"answers":{"affected":"3 open source packages ship an affected version, including picklescan.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3490 exists.","fix":"Upgrade picklescan to 1.0.4 or later.","what":"CVE-2026-3490 is a critical code injection vulnerability in picklescan, published on 17 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-3490 and fix it if it is affected.\n\nWhat it is: CVE-2026-3490 is a critical code injection vulnerability in picklescan, published on 17 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3490 exists.\n\nAffected packages and fixed versions:\n- picklescan (PyPI): affected all versions; fixed in 1.0.4\n- picklescan (PyPI): affected all versions; fixed in 1.0.4\n- picklescan (PyPI): affected all versions; fixed in 1.0.4\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-2026-3490/ (Markdown: https://insights.sbomify.com/CVE-2026-3490/index.md)","id":"CVE-2026-3490","markdown":"https://insights.sbomify.com/CVE-2026-3490/index.md","name":"CVE-2026-3490","record":{"aliases":["GHSA-vvpj-8cmc-gx39","PYSEC-2026-456"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Python security library","requires_auth":"none","summary":"Attackers bypass picklescan's blocklist using pkgutil.resolve_name to execute arbitrary code via unsafe pickle deserialization.","user_interaction":"not_required","vuln_class":"code_injection"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":10,"severity":"critical","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0"},"cwes":[{"id":"CWE-183","name":"Permissive List of Allowed Inputs"}],"description":"picklescan before 1.0.4 fails to block pkgutil.resolve_name, allowing attackers to bypass the entire blocklist by resolving any dangerous function through indirect REDUCE calls. Remote attackers can invoke any blocked function such as os.system, builtins.exec, or subprocess.call to achieve remote code execution.","ecosystems":["PyPI"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"picklescan - Universal Blocklist Bypass via pkgutil.resolve_name","id":"CVE-2026-3490","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":null,"products":[],"type":"code_injection","year":"2026"},"n_packages":3,"n_references":2,"next":{"headline":"Gravity Forms \u003c= 2.9.28.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Form Title","id":"CVE-2026-3492"},"packages":[{"ecosystem":"PyPI","fixed":["1.0.4"],"introduced":["0"],"last_affected":[],"package":"picklescan","purl":null,"source":"GHSA-vvpj-8cmc-gx39"},{"ecosystem":"PyPI","fixed":["1.0.4"],"introduced":["0"],"last_affected":[],"package":"picklescan","purl":"pkg:pypi/picklescan","source":"GHSA-vvpj-8cmc-gx39"},{"ecosystem":"PyPI","fixed":["1.0.4"],"introduced":["0"],"last_affected":[],"package":"picklescan","purl":"pkg:pypi/picklescan","source":"PYSEC-2026-456"}],"prev":{"headline":"DirectoryPress – Business Directory And Classified Ad Listing \u003c= 3.6.26 - Unauthenticated SQL Injection via 'packages'","id":"CVE-2026-3489"},"products":["picklescan"],"published":"2026-06-17","related":[],"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":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"poc","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-06-18","vendors":["picklescan"]},"summary":"Attackers bypass picklescan's blocklist using pkgutil.resolve_name to execute arbitrary code via unsafe pickle deserialization.","url":"https://insights.sbomify.com/CVE-2026-3490/"}