What is the CVSS score of CVE-2025-6152?

CVE-2025-6152 has a CVSS 3.1 base score of 6.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.2%.

Which versions of Browser are affected by CVE-2025-6152?

Organizations using Steel Browser should be aware of moderate risk from CVE-2025-6152, a path traversal vulnerability rated CVSS 6.3. This could allow unauthorized file access.. A patch is available.

Is there a public PoC exploit available for CVE-2025-6152?

Yes, a public proof-of-concept exploit is available for CVE-2025-6152. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-6152?

Within 30 days: Identify affected systems running Steel Browser and apply vendor patches as part of regular patch cycle. Review file handling controls.

Browser CVE-2025-6152

EUVD-2025-18450 MEDIUM

Path Traversal (CWE-22)

2025-06-17 cna@vuldb.com

Path Traversal Browser

6.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 22:15 euvd

EUVD-2025-18450

Analysis Generated

Mar 14, 2026 - 22:15 vuln.today

Patch released

Mar 14, 2026 - 22:15 nvd

Patch available

PoC Detected

Jul 02, 2025 - 19:47 vuln.today

Public exploit code

CVE Published

Jun 17, 2025 - 02:15 nvd

MEDIUM 6.3

DescriptionCVE.org

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.

Analysis

Technical ContextAI

Path traversal allows an attacker to access files outside the intended directory by manipulating file paths with sequences like '../'.

RemediationAI

A vendor patch is available — apply it immediately. Validate and sanitize file path inputs. Use a whitelist of allowed files or directories. Implement chroot jails or containerization.

CVE-2025-6152 vulnerability details – vuln.today

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