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PatchSiren cyber security CVE debrief

CVE-2026-7179 OSPG CVE debrief

A Path Traversal vulnerability was detected in OSPG binwalk up to 2.4.3. The issue affects the WinCE Extraction Plugin, specifically the read_null_terminated_string function in src/binwalk/plugins/winceextract.py. This vulnerability allows local attackers to manipulate the self.file_name argument, leading to path traversal. The exploit has been publicly disclosed. The project maintainer has confirmed the issue but notes that the product has reached its end-of-life (EOL), and no further actions are expected. Users and contributors are advised to migrate to binwalk v3.

Vendor
OSPG
Product
binwalk
CVSS
LOW 1.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-27
Original CVE updated
2026-07-24
Advisory published
2026-04-27
Advisory updated
2026-07-24

Who should care

Users of OSPG binwalk up to version 2.4.3, especially those using the WinCE Extraction Plugin, should be aware of this vulnerability. Although the product has reached EOL, organizations using it may still be vulnerable to local attacks. Security teams should assess the risk and consider compensating controls or migration to a supported version.

Technical summary

The CVE-2026-7179 vulnerability is a Path Traversal issue in the WinCE Extraction Plugin of OSPG binwalk up to 2.4.3. The vulnerability is caused by improper handling of the self.file_name argument in the read_null_terminated_string function of src/binwalk/plugins/winceextract.py. This allows local attackers to traverse directories. The CVSS score is 1.9 (LOW severity). The vulnerability has been publicly disclosed, and the project maintainer has confirmed the issue. However, as the product has reached EOL, no further updates or patches are expected.

Defensive priority

Given the low CVSS score and the fact that the affected product has reached EOL, the defensive priority is relatively low. However, organizations still using OSPG binwalk up to 2.4.3 should prioritize migration to a supported version or implement compensating controls to mitigate the risk of local attacks.

Recommended defensive actions

  • Inventory and assess the use of OSPG binwalk up to 2.4.3 in your environment.
  • Consider migration to binwalk v3 or a supported version.
  • Implement compensating controls to restrict access to the affected plugin and monitor for suspicious activity.
  • Review and update incident response plans to address potential local attacks.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Evidence notes

The CVE record was published on 2026-04-27T23:16:03.660Z and last modified on 2026-07-24T08:10:00.150Z. The NVD entry is currently Deferred. The vulnerability has been publicly disclosed, and the project maintainer has confirmed the issue. However, the product has reached EOL, and no further actions are expected.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-27T23:16:03.660Z and has not been modified since then. The NVD entry is currently Deferred.