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8.1

Google OSV‑SCALIBR can write files to host

CVE-2026-102252 · published 1 month ago
Summary

Google OSV‑SCALIBR versions 0.3.6 through 0.5.0 may let a malicious virtual disk image cause files to be placed anywhere on the scanning computer. This happens because the tool does not properly check the paths inside the image before extracting them. Update to a fixed version or restrict which images are scanned to protect your system.

What to do
  • Update google osv-scalibr to version 0.5.1 or later.
Affected software
VendorProductAffected versions
google osv-scalibr < 0.5.1
Original advisory text
Path Traversal in VMDK Extractor in OSV-SCALIBR
A path traversal vulnerability (CWE-22) in the embedded VMDK filesystem extractor in Google OSV-SCALIBR versions 0.3.6 through 0.5.0 allows an attacker who controls the scan target to write arbitrary files to the host system. When scanning crafted VMDK images, insufficient validation of archive path entries allows file extractions to escape destination directories.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
8.1 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-22Path Traversal
CWE-23Relative Path Traversal
Timeline
Published29 Sep 2026
Updated21 Oct 2026
First seen29 Sep 2026
Sources
CVE-2026-102252 · NVD
CVE-2026-102252 · MITRE
CVE-2026-102252 · OSV
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