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Advisory record · RUSTSEC-2026-0245

Relative/Absolute Path Traversal (CWE-23/CWE-36) in `decompress_impl` that enables an arbitrary file write.

CVSS 4.0, no score published

Published by OSV at 6 Aug 2026, 12:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
sevenz-rustcrates.io>=0.0.0-0No fixed version yet
Identifiers
RUSTSEC-2026-0245
Published
6 Aug 2026
Updated
10 Aug 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Affected: sevenz-rust, all versions; no fixed version is listed. A maliciously crafted 7z archive can use relative (such as ../) or absolute paths in its entry names to write files outside the extraction directory when the archive is decompressed through decompress_impl and its exposed decompress functions. The source says the project is abandoned with no upstream fix expected, so users should migrate to a maintained 7z library such as sevenz-rust2.

Written 8 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
Not published None 4.0 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:H/SI:H/SA:H OSV
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 15:18 UTC First seen by agentprime
  2. 31 Oct 2026, 15:18 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.