BREW-OPENCLAW-CLI-CVE-20… (GHSA-4G5X-2JFC-XM98)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-25 08:57 – Source website
VLAI
Summary
OpenClaw: Tlon media downloads can bypass core safety limits and exhaust disk
Details

Summary

Tlon media downloads can bypass core safety limits and exhaust disk

Current Maintainer Triage

  • Status: narrow
  • Normalized severity: low
  • Assessment: Shipped v2026.3.28 Tlon media downloads bypassed core size/count/cleanup limits, but this is availability-only resource exhaustion in a bundled plugin path, so low.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • 2194587d70d2aef863508b945319c5a7c88b12ce — 2026-03-31T19:40:15+09:00

Release Process Note

  • The fix is already present in released version 2026.3.31.
  • This draft looks ready for final maintainer disposition or publication, not additional code-fix work.

Thanks @AntAISecurityLab for reporting.

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2026.3.31"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "openclaw-cli",
        "purl": "pkg:brew/openclaw-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2026.1.29"
            },
            {
              "fixed": "2026.3.31"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "npm",
        "key": "pkg:npm/openclaw@2026.9.6",
        "name": "openclaw",
        "strategy": "registry",
        "subject_version": "2026.9.6"
      }
    ]
  },
  "details": "## Summary\nTlon media downloads can bypass core safety limits and exhaust disk\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: low\n- Assessment: Shipped v2026.3.28 Tlon media downloads bypassed core size/count/cleanup limits, but this is availability-only resource exhaustion in a bundled plugin path, so low.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `2194587d70d2aef863508b945319c5a7c88b12ce` \u2014 2026-03-31T19:40:15+09:00\n\n## Release Process Note\n- The fix is already present in released version `2026.3.31`.\n- This draft looks ready for final maintainer disposition or publication, not additional code-fix work.\n\nThanks @AntAISecurityLab for reporting.",
  "id": "BREW-openclaw-cli-CVE-2026-41408",
  "modified": "2026-09-25T08:57:09Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-4g5x-2jfc-xm98"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41408"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/2194587d70d2aef863508b945319c5a7c88b12ce"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-disk-exhaustion-via-media-download-bypass"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw: Tlon media downloads can bypass core safety limits and exhaust disk",
  "upstream": [
    "GHSA-4g5x-2jfc-xm98",
    "CVE-2026-41408"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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