{"answers":{"affected":"6 open source packages ship an affected version, including github.com/filebrowser/filebrowser and github.com/filebrowser/filebrowser/v2.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-54093 exists.","fix":"Upgrade to a fixed version.","what":"CVE-2026-54093 is a medium-severity path traversal vulnerability in filebrowser, published on 25 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-54093 and fix it if it is affected.\n\nWhat it is: CVE-2026-54093 is a medium-severity path traversal vulnerability in filebrowser, published on 25 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-54093 exists.\n\nAffected packages and fixed versions:\n- github.com/filebrowser/filebrowser (Go): affected all versions; no fix listed\n- github.com/filebrowser/filebrowser (Go): affected all versions up to 1.11.0; no fix listed\n- github.com/filebrowser/filebrowser (Go): affected all versions up to 1.11.0; no fix listed\n- github.com/filebrowser/filebrowser/v2 (Go): affected all versions; fixed in 2.63.6\n- github.com/filebrowser/filebrowser/v2 (Go): affected all versions; fixed in 2.63.6\n- github.com/filebrowser/filebrowser/v2 (Go): affected all versions; fixed in 2.63.6\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-2026-54093/ (Markdown: https://insights.sbomify.com/CVE-2026-54093/index.md)","id":"CVE-2026-54093","markdown":"https://insights.sbomify.com/CVE-2026-54093/index.md","name":"CVE-2026-54093","record":{"aliases":["GHSA-gxjx-7m74-hcq8","GO-2026-5411"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["data_modify"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"File Browser","requires_auth":"none","summary":"An attacker can craft filenames with backslashes to cause arbitrary file writes on Windows victims when they download and extract archives.","user_interaction":"required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":6.8,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-22","name":"Improper Limitation of a Pathname to a Restricted Directory"}],"description":"File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, filebrowser builds the download-as-zip / download-as-tar archive entry names with filepath.ToSlash, which on a Linux host is a no-op for backslashes (\\ is only a path separator on Windows). A file whose name contains Windows-style traversal is accepted by the resource handlers, stored on the Linux filesystem with a literal backslash name, and then emitted verbatim as the archive entry name. Windows extractors interpret \\ as a path separator and write the extracted file outside the extraction directory — arbitrary file write on the victim who downloads and extracts the archive. This vulnerability is fixed in 2.63.6.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":true,"headline":"File Browser: Path traversal in download-as-zip/tar via Windows-style backslash separators in stored filenames","id":"CVE-2026-54093","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"path_traversal","year":"2026"},"n_packages":6,"n_references":1,"next":{"headline":"File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope","id":"CVE-2026-54094"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser","purl":"pkg:golang/github.com/filebrowser/filebrowser","source":"GO-2026-5411"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["1.11.0"],"package":"github.com/filebrowser/filebrowser","purl":null,"source":"GHSA-gxjx-7m74-hcq8"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["1.11.0"],"package":"github.com/filebrowser/filebrowser","purl":"pkg:golang/github.com/filebrowser/filebrowser","source":"GHSA-gxjx-7m74-hcq8"},{"ecosystem":"Go","fixed":["2.63.6"],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser/v2","purl":null,"source":"GHSA-gxjx-7m74-hcq8"},{"ecosystem":"Go","fixed":["2.63.6"],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser/v2","purl":"pkg:golang/github.com/filebrowser/filebrowser/v2","source":"GHSA-gxjx-7m74-hcq8"},{"ecosystem":"Go","fixed":["2.63.6"],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser/v2","purl":"pkg:golang/github.com/filebrowser/filebrowser/v2","source":"GO-2026-5411"}],"prev":{"headline":"File Browser: DoS Vulnerability on Public Login API","id":"CVE-2026-54092"},"products":["filebrowser"],"published":"2026-06-25","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":"Go Vulnerability Database","prefix":"GO"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-06-25","vendors":["filebrowser"]},"summary":"An attacker can craft filenames with backslashes to cause arbitrary file writes on Windows victims when they download and extract archives.","url":"https://insights.sbomify.com/CVE-2026-54093/"}