What’s Vulnerable › Vulnerabilities

CVE-2025-6152: Steel Browser files.routes.ts handleFileUpload path traversal

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-17 · updated 2026-06-17
• Weakness: CWE-22

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

• Steel Browser: 0.1.1-beta1, 0.1.2-beta, 0.1.3-beta

References

• https://github.com/steel-dev/steel-browser/commit/7ba93a10000fb77ee01731478ef40551a27bd5b9
• https://github.com/steel-dev/steel-browser/issues/129
• https://github.com/steel-dev/steel-browser/issues/129#issuecomment-2936052240
• https://vuldb.com/?ctiid.312627
• https://vuldb.com/?id.312627
• https://vuldb.com/?submit.593060
• https://github.com/steel-dev/steel-browser/issues/129

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