GHSA-6F8Q-F8PX-CXHW

Vulnerability from github – Published: 2026-08-28 12:30 – Updated: 2026-08-28 12:30
VLAI
Details

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.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-82253"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T12:16:38Z",
    "severity": "HIGH"
  },
  "details": "gitoxide (Rust crates gix \u003c= 0.72.0 and gix-validate \u003c= 0.10.0) contains a path traversal vulnerability. The submodule name validation function in gix-validate only checks the first occurrence of \u0027..\u0027 via name.find(b\"..\"), allowing crafted names such as \u0027a..b/../../../.git/\u0027 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\u0027s 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.",
  "id": "GHSA-6f8q-f8px-cxhw",
  "modified": "2026-08-28T12:30:28Z",
  "published": "2026-08-28T12:30:28Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-p3hw-mv63-rf9w"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82253"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/gitoxide-before-0.82.0-path-traversal-via-submodule-name-validation-bypass"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}



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