# CVE-2026-41335: CVE-2026-41335

Status: published. Published: 2026-04-23. Updated: 2026-11-11.

OpenClaw before 2026.3.31 contains an information disclosure vulnerability in the Control Interface bootstrap JSON that exposes version and assistant agent identifiers. Attackers can extract sensitive fingerprinting information from the Control UI bootstrap payload to identify system versions and agent configurations.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: disclosure@vulncheck.com) — https://github.com/openclaw/openclaw/commit/c5c10adc022f42eb75ebb3bf364dd607738683b3
- fix: openclaw (npm): OSV reports a fixed version 2026.3.31. Check the advisory for supported release branches. (source: OSV GHSA-hr8g-2q7x-3f4w) — https://github.com/advisories/GHSA-hr8g-2q7x-3f4w

## Affected products and versions

- openclaw / openclaw: < 2026.3.31 (affected, custom). Source: NVD
-  / openclaw (openclaw): ≥ 0; < 2026.3.31 (affected, semver); OSV events: introduced 0; fixed 2026.3.31. Source: OSV GHSA-hr8g-2q7x-3f4w

## NVD configuration conditions

Affected CPE matches depend on the following AND/OR and negation conditions:

```json
[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
            "versionEndExcluding": "2026.3.31",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]
```

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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; source: NVD: disclosure@vulncheck.com

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N; source: NVD: disclosure@vulncheck.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable yes; technical impact partial; source NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0

- Weaknesses: CWE-497

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/openclaw/openclaw/commit/c5c10adc022f42eb75ebb3bf364dd607738683b3 (disclosure@vulncheck.com; Patch)

- https://github.com/openclaw/openclaw/security/advisories/GHSA-hr8g-2q7x-3f4w (disclosure@vulncheck.com; Vendor Advisory)

- https://www.vulncheck.com/advisories/openclaw-information-disclosure-via-control-ui-bootstrap-json (disclosure@vulncheck.com; Third Party Advisory)

- https://github.com/advisories/GHSA-hr8g-2q7x-3f4w (OSV / GitHub Security Advisories; advisory)

- https://osv.dev/vulnerability/GHSA-hr8g-2q7x-3f4w (OSV / GitHub Security Advisories; osv)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41335; retrieved 2026-11-12; source updated 2026-11-11

- OSV / GitHub Security Advisories: https://osv.dev/vulnerability/GHSA-hr8g-2q7x-3f4w; retrieved 2026-11-12; source updated 2026-05-06

Revision: 2554c89b1d6284eed7c5d8de8a7ff852395ead178ee20230feaa5d61716a809c

Canonical: https://y2.dev/cve/CVE-2026-41335

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.