Vulnerability · Published Jun 17, 2025 · Assigned by VulDB
CVE-2025-6152Steel Browser files.routes.ts handleFileUpload path traversal
Medium 6.3
In plain English
A medium-severity path traversal in Browser from Steel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official description
A vulnerability, which was classified as critical, was found in Steel Browser up to 0.1.3. This affects the function handleFileUpload of the file api/src/modules/files/files.routes.ts. The manipulation of the argument filename leads to path traversal. It is possible to initiate the attack remotely. The patch is named 7ba93a10000fb77ee01731478ef40551a27bd5b9. It is recommended to apply a patch to fix this issue.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
References
- VDB-312627 | Steel Browser files.routes.ts handleFileUpload path traversal vdb-entry, technical-description
- VDB-312627 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #593060 | Steel Steel Browser <=0.1.3 Path Traversal third-party-advisory
- https://github.com/steel-dev/steel-browser/issues/129 issue-tracking
- https://github.com/steel-dev/steel-browser/issues/129#issuecomment-2936052240 issue-tracking
- https://github.com/steel-dev/steel-browser/commit/7ba93a10000fb77ee01731478ef40551a27bd5b9 patch