Vulnerability · Published Apr 27, 2026 · Assigned by VulDB
CVE-2026-7179OSPG binwalk WinCE Extraction Plugin winceextract.py read_null_terminated_string path traversal
Medium 5.3
In plain English
A medium-severity path traversal in binwalk from OSPG. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A security vulnerability has been detected in OSPG binwalk up to 2.4.3. This vulnerability affects the function read_null_terminated_string of the file src/binwalk/plugins/winceextract.py of the component WinCE Extraction Plugin. Such manipulation of the argument self.file_name leads to path traversal. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The project maintainer confirms this issue: "I accept the existence of the Path Traversal vulnerability. However, as stated in the Github link, it reached EOL and as a result no actions should be expected." The GitHub repository mentions, that "[u]sers and contributors should migrate to binwalk v3." This vulnerability only affects products that are no longer supported by the maintainer.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | binwalk | no fix listed | DEBIAN-CVE-2026-7179 |
| Debian:13 | binwalk | 2.4.3+dfsg1-2+deb13u1 | DEBIAN-CVE-2026-7179 |
| Debian:14 | binwalk | 2.4.3+dfsg1-3 | DEBIAN-CVE-2026-7179 |
| Ubuntu:22.04:LTS | binwalk | no fix listed | UBUNTU-CVE-2026-7179 |
| Ubuntu:24.04:LTS | binwalk | no fix listed | UBUNTU-CVE-2026-7179 |
| Ubuntu:25.10 | binwalk | no fix listed | UBUNTU-CVE-2026-7179 |
| Ubuntu:26.04:LTS | binwalk | no fix listed | UBUNTU-CVE-2026-7179 |
| Ubuntu:26.10 | binwalk | no fix listed | UBUNTU-CVE-2026-7179 |
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-359781 | OSPG binwalk WinCE Extraction Plugin winceextract.py read_null_terminated_string path traversal vdb-entry, technical-description
- VDB-359781 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #802228 | OSPG binwalk (Python version) <= 2.4.3 Path Traversal third-party-advisory
- https://github.com/dhabaleshwar/Open-Source-Vulnerabilities/blob/main/binwalk_path_traversal.md exploit