📄 NiceGUI 3.6.1 Path Traversal

NiceGUI version 3.6.1 suffers from a path traversal vulnerability. Exploit Title: NiceGUI 3.6.1 - Path Traversal Author: Mohammed Idrees Banyamer Instagram: @banyamersecurity GitHub: https://github.com/mbanyamer Date: 2025-06-06 Tested on: NiceGUI = 3.6.1 Python 3.8–3.12 on Linux/Windows CVE:...

NiceGUI 3.6.1 - Path Traversal

Exploit Title: NiceGUI 3.6.1 - Path Traversal Author: Mohammed Idrees Banyamer Instagram: @banyamersecurity GitHub: https://github.com/mbanyamer Date: 2025-06-06 Tested on: NiceGUI = 3.6.1 Python 3.8–3.12 on Linux/Windows CVE: CVE-2026-25732 Affected Versions: = 3.6.1 fixed in 3.7.0 Type: Remote...

Malicious code in nicegui (npm)

Malicious npm package published by threat actor "ryanmccollum1" typosquatting the popular Python NiceGUI framework. Part of the same supply chain attack campaign as redeem-onchain-sdk, which collects SSH keys, AWS credentials, .npmrc tokens, Docker auth, Chrome saved logins, .env files, and git...

MAL-2026-3180 Malicious code in nicegui (npm)

Malicious npm package published by threat actor "ryanmccollum1" typosquatting the popular Python NiceGUI framework. Part of the same supply chain attack campaign as redeem-onchain-sdk, which collects SSH keys, AWS credentials, .npmrc tokens, Docker auth, Chrome saved logins, .env files, and git...

CVE-2026-39844

NiceGUI is a Python-based UI framework. Prior to 3.10.0, Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload filename. Applications that construct file paths using file.name a pattern...

PYSEC-2026-2234

NiceGUI is a Python-based UI framework. Prior to 3.10.0, Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload filename. Applications that construct file paths using file.name a pattern...

CVE-2026-39844 NiceGUI has a Path Traversal in NiceGUI Upload Filename on Windows via Backslash Bypass of PurePosixPath Sanitization

NiceGUI is a Python-based UI framework. Prior to 3.10.0, Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload filename. Applications that construct file paths using file.name a pattern...

CVE-2026-39844 NiceGUI has a Path Traversal in NiceGUI Upload Filename on Windows via Backslash Bypass of PurePosixPath Sanitization

NiceGUI is a Python-based UI framework. Prior to 3.10.0, Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload filename. Applications that construct file paths using file.name a pattern...

CVE-2026-39844 NiceGUI has a Path Traversal in NiceGUI Upload Filename on Windows via Backslash Bypass of PurePosixPath Sanitization

NiceGUI is a Python-based UI framework. Prior to 3.10.0, Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload filename. Applications that construct file paths using file.name a pattern...

CVE-2026-39844

CVE-2026-39844 affects NiceGUI prior to 3.10.0, where upload file names are sanitized using PurePosixPath(filename).name. On Windows, backslashes are not treated as path separators by PurePosixPath, allowing attackers to bypass sanitization with backslash-filled filenames. If applications constru...

Directory Traversal

Overview nicegui is a Create web-based user interfaces with Python. The nice way. Affected versions of this package are vulnerable to Directory Traversal via improper sanitization of uploaded filenames in the uploadfiles.py. An attacker can overwrite arbitrary files outside the intended upload...

ai-plays-jackbox (>=0.0.1 <=0.3.2), air-link (>=0.0.0 <=0.5.0) +71 more potentially affected by CVE-2026-39844 via nicegui (>=0.9.11 <=3.0.4)

nicegui PYPI version =0.9.11, =0.0.1, =0.0.0, =0.1.0, =1.1.3, =0.3.0, =0.0.1, =0.6.7, =1.0.0, =1.2.0, =0.10.0, =0.11.1 and more Source cves: CVE-2026-39844 Source advisory: OSV:GHSA-W8WV-VFPC-HW2W...

ex4nicegui (=0.9.0) potentially affected by CVE-2026-39844 via nicegui (=3.0.4)

nicegui PYPI version =3.0.4 is affected by a known vulnerability. The following packages have a transitive dependency on nicegui and may be impacted: - ex4nicegui =0.9.0 Source cves: CVE-2026-39844 Source advisory: SNYK:PYTHON-NICEGUI-15954191...

EUVD-2026-20610

NiceGUI: Upload filename sanitization bypass via backslashes allows path traversal on Windows...

NiceGUI: Upload filename sanitization bypass via backslashes allows path traversal on Windows

Summary The upload filename sanitization introduced in GHSA-9ffm-fxg3-xrhh uses PurePosixPathfilename.name to strip path components. Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload...

GHSA-W8WV-VFPC-HW2W NiceGUI: Upload filename sanitization bypass via backslashes allows path traversal on Windows

Summary The upload filename sanitization introduced in GHSA-9ffm-fxg3-xrhh uses PurePosixPathfilename.name to strip path components. Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload...

NiceGUI 路径遍历漏洞

NiceGUI is an easy-to-use, Python-based UI framework developed under the open source license. Versions of NiceGUI prior to 3.10.0 contained a path traversal vulnerability. This vulnerability stemmed from an inability to bypass path cleaning, which could lead to arbitrary file writing on Windows...

CVE-2026-33332

NiceGUI is a Python-based UI framework. Prior to version 3.9.0, NiceGUI's app.addmediafile and app.addmediafiles media routes accept a user-controlled query parameter that influences how files are read during streaming. The parameter is passed to the range-response implementation without...

PYSEC-2026-2233

NiceGUI is a Python-based UI framework. Prior to version 3.9.0, NiceGUI's app.addmediafile and app.addmediafiles media routes accept a user-controlled query parameter that influences how files are read during streaming. The parameter is passed to the range-response implementation without...

CVE-2026-33332

NiceGUI is a Python-based UI framework. Prior to version 3.9.0, NiceGUI's app.addmediafile and app.addmediafiles media routes accept a user-controlled query parameter that influences how files are read during streaming. The parameter is passed to the range-response implementation without...