{"answers":{"affected":"4 open source packages ship an affected version, including github.com/filebrowser/filebrowser/v2 and github.com/filebrowser/filebrowser.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-55667 exists.","fix":"Upgrade github.com/filebrowser/filebrowser/v2 to 2.63.16 or later.","what":"CVE-2026-55667 is a high-severity path traversal vulnerability in filebrowser, published on 25 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-55667 and fix it if it is affected.\n\nWhat it is: CVE-2026-55667 is a high-severity path traversal vulnerability in filebrowser, published on 25 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-55667 exists.\n\nAffected packages and fixed versions:\n- github.com/filebrowser/filebrowser/v2 (Go): affected all versions; fixed in 2.63.16\n- github.com/filebrowser/filebrowser/v2 (Go): affected all versions; fixed in 2.63.16\n- github.com/filebrowser/filebrowser/v2 (Go): affected all versions; fixed in 2.63.16\n- github.com/filebrowser/filebrowser (Go): affected all versions; no fix listed\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-2026-55667/ (Markdown: https://insights.sbomify.com/CVE-2026-55667/index.md)","id":"CVE-2026-55667","markdown":"https://insights.sbomify.com/CVE-2026-55667/index.md","name":"CVE-2026-55667","record":{"aliases":["GHSA-fmm7-x4gx-8jhr","GO-2026-6021"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"File Browser","requires_auth":"low_privilege","summary":"Authenticated users with create-only permissions can delete arbitrary files outside their scope via symlink exploitation during upload cleanup.","user_interaction":"not_required","vuln_class":"path_traversal"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":8.2,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-59","name":"Improper Link Resolution Before File Access"},{"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 2.63.16, a scoped, non-admin File Browser user holding only the Create permission can delete arbitrary files outside their scope (other tenants' data, and the application's own database) via the upload failure-cleanup path. ScopedFs.RemoveAll is the one dereferencing operation that skips the symlink guard every other method enforces. The direct-upload handler runs RemoveAll on the user-controlled path during failed-upload cleanup, gated only by Perm.Create. If an escaping directory symlink already exists inside the user's scope, an authenticated create-only user can delete an out-of-scope target, bypassing both the ScopedFs boundary and the Perm.Delete gate. This vulnerability is fixed in 2.63.16.","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: Out-of-scope file deletion by a Create-only scoped user via symlink-following RemoveAll in upload failure-cleanup","id":"CVE-2026-55667","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"path_traversal","year":"2026"},"n_packages":4,"n_references":1,"next":{"headline":"File Browser: ScopedFs follows a dangling symlink on write, letting a scoped user create files outside their scope","id":"CVE-2026-55668"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser","purl":"pkg:golang/github.com/filebrowser/filebrowser","source":"GO-2026-6021"},{"ecosystem":"Go","fixed":["2.63.16"],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser/v2","purl":null,"source":"GHSA-fmm7-x4gx-8jhr"},{"ecosystem":"Go","fixed":["2.63.16"],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser/v2","purl":"pkg:golang/github.com/filebrowser/filebrowser/v2","source":"GHSA-fmm7-x4gx-8jhr"},{"ecosystem":"Go","fixed":["2.63.16"],"introduced":["0"],"last_affected":[],"package":"github.com/filebrowser/filebrowser/v2","purl":"pkg:golang/github.com/filebrowser/filebrowser/v2","source":"GO-2026-6021"}],"prev":{"headline":"Rocket.Chat: Email Parameter Fallback Leads To Account Takeover Within Apple OAuth","id":"CVE-2026-55666"},"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":"2026-06-26","vendors":["filebrowser"]},"summary":"Authenticated users with create-only permissions can delete arbitrary files outside their scope via symlink exploitation during upload cleanup.","url":"https://insights.sbomify.com/CVE-2026-55667/"}