Medium
OpenClaw < 2026.4.14 - Internal Page Content Exposure via Browser Snapshot and Screenshot Routes
Type: advisorySources: OSV
OpenClaw before 2026.4.14 contains an improper access control vulnerability in browser snapshot, screenshot, and tab routes that fail to consistently validate the final browser target after navigation. Authenticated callers can bypass SSRF restrictions to expose internal or disallowed page content by exploiting route-driven navigation without proper policy re-validation.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-42436
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 01:22 UTC · Revision 1
Source evidence
OpenClaw < 2026.4.14 - Internal Page Content Exposure via Browser Snapshot and Screenshot Routes
core-osv · Original sourcePublished 5 May 2026, 11:24 UTC
OpenClaw before 2026.4.14 contains an improper access control vulnerability in browser snapshot, screenshot, and tab routes that fail to consistently validate the final browser target after navigation. Authenticated callers can bypass SSRF restrictions to expose internal or disallowed page content by exploiting route-driven navigation without proper policy re-validation.
osv:CVE-2026-42436
Complete source record
{
"id": "c4d1d1aa6ac6147fe9cc15584b192a5496ce2a34cbc2f617e92b1210153b7a5f",
"url": "https://osv.dev/vulnerability/CVE-2026-42436",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "OpenClaw < 2026.4.14 - Internal Page Content Exposure via Browser Snapshot and Screenshot Routes",
"summary": "OpenClaw before 2026.4.14 contains an improper access control vulnerability in browser snapshot, screenshot, and tab routes that fail to consistently validate the final browser target after navigation. Authenticated callers can bypass SSRF restrictions to expose internal or disallowed page content by exploiting route-driven navigation without proper policy re-validation.",
"evidence": "osv:CVE-2026-42436",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-42436",
"aliases": [
"CVE-2026-42436",
"GHSA-c4qm-58hj-j6pj"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/openclaw/openclaw",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "323493fa1b6adc1e10b9954a68d5eaa5a6ef1170"
},
{
"fixed": "b75ad800a59009fc47eaa3471410f69046150e59"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.4.14"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "b75ad800a59009fc47eaa3471410f69046150e59"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v2026.4.12",
"v2026.4.12-beta.1",
"v2026.4.11",
"v2026.4.11-beta.1",
"v2026.4.10",
"v2026.4.9",
"v2026.4.9-beta.1",
"v2026.4.8",
"v2026.4.7-1",
"v2026.4.7",
"v2026.4.5",
"v2026.4.2",
"v2026.4.1",
"v2026.4.1-beta.1",
"v2026.3.31",
"v2026.3.31-beta.1",
"v2026.3.28",
"v2026.3.28-beta.1",
"v2026.3.24",
"v2026.3.24-beta.2",
"v2026.3.24-beta.1",
"v2026.3.23-2",
"v2026.3.23",
"v2026.3.23-beta.1",
"v2026.3.22",
"v2026.3.22-beta.1",
"v2026.3.13-1",
"v2026.3.13",
"v2026.3.12",
"v2026.3.11",
"v2026.3.11-beta.1",
"v2026.3.8",
"v2026.3.8-beta.1",
"v2026.3.7",
"v2026.3.7-beta.1",
"v2026.3.2-beta.1",
"v2026.3.2",
"v2026.3.1",
"v2026.2.26",
"v2026.2.26-beta.1",
"v2026.2.25",
"v2026.2.25-beta.1",
"v2026.2.24",
"v2026.2.24-beta.1",
"v2026.2.23",
"v2026.2.23-beta.1",
"v2026.2.22",
"v2026.2.22-beta.1",
"v2026.2.21",
"v2026.2.21-beta.1",
"v2026.2.19-beta.1",
"v2026.2.19",
"v2026.2.17",
"v2026.2.15-beta.1",
"v2026.2.14",
"v2026.2.13",
"v2026.2.12",
"v2026.2.9",
"v2026.2.6-3",
"v2026.2.6-2",
"v2026.2.6-1",
"v2026.2.6",
"v2026.2.3",
"v2026.2.2",
"v2026.2.1",
"v2026.1.30",
"v2026.1.29",
"v2026.1.24-1",
"v2026.1.24",
"v2026.1.23",
"v2026.1.22",
"v2026.1.21",
"v2026.1.20",
"v2026.1.16-2",
"v2026.1.15",
"v2026.1.14-1",
"v2026.1.13",
"v2026.1.12-2",
"v2026.1.12",
"v2026.1.11-3",
"v2026.1.11-2",
"v2026.1.11-1",
"v2026.1.11",
"v2026.1.10",
"v2026.1.9",
"v2026.1.8",
"v2026.1.5-3",
"v2026.1.5-2",
"v2026.1.5-1",
"v2026.1.5",
"v2.0.0-beta5",
"v2.0.0-beta4",
"v2.0.0-beta3",
"v2.0.0-beta2",
"v2.0.0-beta1",
"v1.3.0",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.4",
"v0.1.3",
"v0.1.2",
"v0.1.1",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42436.json"
}
}
],
"modified": "2026-10-28T02:30:41.591764743Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42436.json",
"https://github.com/openclaw/openclaw/security/advisories/GHSA-c4qm-58hj-j6pj",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42436",
"https://www.vulncheck.com/advisories/openclaw-internal-page-content-exposure-via-browser-snapshot-and-screenshot-routes",
"https://github.com/openclaw/openclaw/commit/b75ad800a59009fc47eaa3471410f69046150e59"
],
"provider_metadata": {
"cwe_ids": [
"CWE-862"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42436.json"
}
},
"related_cves": [
{
"value": "CVE-2026-42436",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 509027,
"published_at": "2026-05-05T11:24:55.261+00:00"
}