CVE-2026-45384 (GCVE-0-2026-45384)

Vulnerability from cvelistv5 – Published: 2026-06-10 20:00 – Updated: 2026-06-11 13:38
VLAI
Title
bit7z: Arbitrary File Overwrite via Symlink Attack on Predictable Temp File During Archive Update
Summary
bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive update. This issue has been patched in version 4.0.12.
Severity
6.1 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
  • CWE-377 - Insecure Temporary File
Assigner
References
Impacted products
Vendor Product Version
rikyoz bit7z Affected: < 4.0.12
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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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