Home/CVE/A vulnerability, which was classified as critical, was found in Steel Browser up to 0.1.3. This affects the function han
CVE

CVE-2025-6152

A vulnerability, which was classified as critical, was found in Steel Browser up to 0.1.3. This affects the function han

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.

MEDIUM · CVSS 6.3 EPSS 0.00628
Schedule remediation
  • Public exploit or PoC is available
Sigma rules4 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
▤

Affected Products & Versions

1
steel browserall versions
⚠

Public Exploits & PoCs

2
pocgithub.com · issues/129github.com
pocgithub.com · 129#issuecomment-2936052240github.com
◈

Sigma Hunt Rules

4
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Browser Activity
producthighFile Download with Headless Browser
producthighChromium Browser Headless Execution To Mockbin Like Site
producthighTor Client/Browser Execution
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Jun 2025 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/steel-dev/steel-browser/commit/7ba93a10000fb77ee01731478ef40551a27bd5b9Patch
https://vuldb.com/?ctiid.312627Permissions RequiredVDB Entry
https://vuldb.com/?id.312627Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.593060Third Party AdvisoryVDB Entry
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