CVE-2026-45727— CloakBrowser: Unauthenticated path traversal via fingerprint parameter in cloakserve leads to arbitrary directory deletion
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| CloakHQ | CloakBrowser | < 0.3.28 | affected |
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I. Basic Information for CVE-2026-45727
Vulnerability Information
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Vulnerability Title
CloakBrowser: Unauthenticated path traversal via fingerprint parameter in cloakserve leads to arbitrary directory deletion
Source: NVD (National Vulnerability Database)
Vulnerability Description
CloakBrowser is a tool to bypass bot detection tests. Prior to version 0.3.28, the cloakserve CDP multiplexer uses the user-supplied fingerprint query parameter directly as a filesystem path component when creating Chrome profile directories. An unauthenticated attacker who can reach the cloakserve port can supply a crafted fingerprint value containing path traversal sequences to resolve user_data_dir outside the configured data_dir. When Chrome fails to start or the process is cleaned up, shutil.rmtree() deletes the traversed path, resulting in arbitrary directory deletion. Additionally, cloakserve bound to 0.0.0.0 by default, making it network-exposed. This issue has been patched in version 0.3.28.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| CloakHQ | CloakBrowser | < 0.3.28 | - |
II. Public POCs for CVE-2026-45727
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-45727 (1)
IV. Related Vulnerabilities
Same weakness: CWE-22
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V. Comments for CVE-2026-45727
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