{"answers":{"affected":"3 open source packages ship an affected version, including copyparty. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-30974 in the wild and no public exploit code.","fix":"Upgrade copyparty to 1.20.11 or later.","what":"CVE-2026-30974 is a medium-severity cross-site scripting vulnerability in 9001 copyparty, published on 10 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-30974 and fix it if it is affected.\n\nWhat it is: CVE-2026-30974 is a medium-severity cross-site scripting vulnerability in 9001 copyparty, published on 10 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2026-30974 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- copyparty (PyPI): affected all versions; fixed in 1.20.11\n- copyparty (PyPI): affected all versions; fixed in 1.20.11\n- copyparty (PyPI): affected all versions; fixed in 1.20.11\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-2026-30974/ (Markdown: https://insights.sbomify.com/CVE-2026-30974/index.md)","id":"CVE-2026-30974","markdown":"https://insights.sbomify.com/CVE-2026-30974/index.md","name":"CVE-2026-30974","record":{"aliases":["GHSA-m6hv-x64c-27mm","PYSEC-2026-2137"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["code_execution","account_takeover"],"network_reachable":"yes","non_default_config":true,"product_category":"Copyparty file server","requires_auth":"low_privilege","summary":"Attackers can execute JavaScript via SVG uploads in Copyparty when the nohtml security feature is enabled, potentially compromising other users.","user_interaction":"required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"copyparty","vendor":"9001"}],"cvss":{"score":4.6,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"description":"Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the context of whichever user opens it. This has been fixed in v1.20.11.","ecosystems":["PyPI"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Copyparty volflag `nohtml` did not block javascript in svg files","id":"CVE-2026-30974","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"PyPI","product":null,"products":[],"type":"xss","year":"2026"},"n_packages":3,"n_references":3,"next":{"headline":"Sonarr Authentication Bypass vulnerability","id":"CVE-2026-30975"},"packages":[{"ecosystem":"PyPI","fixed":["1.20.11"],"introduced":["0"],"last_affected":[],"package":"copyparty","purl":null,"source":"GHSA-m6hv-x64c-27mm"},{"ecosystem":"PyPI","fixed":["1.20.11"],"introduced":["0"],"last_affected":[],"package":"copyparty","purl":"pkg:pypi/copyparty","source":"GHSA-m6hv-x64c-27mm"},{"ecosystem":"PyPI","fixed":["1.20.11"],"introduced":["0"],"last_affected":[],"package":"copyparty","purl":"pkg:pypi/copyparty","source":"PYSEC-2026-2137"}],"prev":{"headline":"Zip Slip arbitrary file write in @appium/support ZIP extraction","id":"CVE-2026-30973"},"products":["copyparty"],"published":"2026-03-10","related":[{"cvss_score":7.8,"headline":"Cross-site scripting in n/a","id":"CVE-2023-41471","kev_date_added":null,"published":"2025-08-29"},{"cvss_score":7.5,"headline":"Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through \"Recent Uploads\" page","id":"CVE-2025-54796","kev_date_added":null,"published":"2025-08-01"},{"cvss_score":7.5,"headline":"Path traversal in copyparty","id":"CVE-2023-37474","kev_date_added":null,"published":"2023-07-14"},{"cvss_score":6.3,"headline":"copyparty Reflected XSS via Filter Parameter","id":"CVE-2025-54589","kev_date_added":null,"published":"2025-07-31"},{"cvss_score":6.3,"headline":"copyparty vulnerable to reflected cross-site scripting via k304 parameter","id":"CVE-2023-38501","kev_date_added":null,"published":"2023-07-25"},{"cvss_score":5.4,"headline":"Copyparty vulnerable to eflected cross-site scripting via setck parameter","id":"CVE-2026-27948","kev_date_added":null,"published":"2026-02-26"},{"cvss_score":5.4,"headline":"copyparty has a DOM-Based XSS vulnerability when displaying multimedia metadata","id":"CVE-2025-54423","kev_date_added":null,"published":"2025-07-28"}],"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":"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)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-03-11","vendors":["9001"]},"summary":"Attackers can execute JavaScript via SVG uploads in Copyparty when the nohtml security feature is enabled, potentially compromising other users.","url":"https://insights.sbomify.com/CVE-2026-30974/"}