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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-103863",
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"state": "PUBLISHED",
"assignerShortName": "apache",
"dateReserved": "2026-10-01T11:44:49.432Z",
"datePublished": "2026-11-05T12:31:45.446Z",
"dateUpdated": "2026-11-10T19:09:27.137Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache",
"dateUpdated": "2026-11-05T12:31:45.446Z"
},
"title": "Apache Sling Engine: Include-protection mitigations bypassable via uncovered response-wrapper paths",
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')",
"lang": "en",
"cweId": "CWE-79",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"description": "CWE-693",
"lang": "en",
"cweId": "CWE-693",
"type": "CWE"
}
]
}
],
"source": {
"defect": [
"SLING-13345",
"SLING-13350",
"SLING-13351",
"SLING-13352",
"SLING-13357"
],
"discovery": "UNKNOWN"
},
"affected": [
{
"vendor": "Apache Software Foundation",
"product": "Apache Sling Engine",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "3.0.4",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling Engine. Content-Type, charset, and redirect changes from an included component evade the  protectheaders / checkcontenttype  enforcement through setHeader(), repeated calls to setContentType(), the charset APIs, Servlet 6.1 redirect overloads, and stale config - enabling stored XSS despite enabled protections.\n\n\n\nThis issue affects Apache Sling Engine before 3.0.4.\n\n\n\nUsers are recommended to upgrade to version 3.0.4, which fixes the issue.",
"lang": "en",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "<p>Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling Engine.&nbsp;Content-Type, charset, and redirect changes from an included component evade the &nbsp;protectheaders&nbsp;/&nbsp;checkcontenttype&nbsp; enforcement through setHeader(), repeated calls to setContentType(), the charset APIs, Servlet 6.1 redirect overloads, and stale config - enabling stored XSS despite enabled protections.</p><p>This issue affects Apache Sling Engine before 3.0.4.</p><p>Users are recommended to upgrade to version 3.0.4, which fixes the issue.</p>"
}
]
}
],
"references": [
{
"url": "https://lists.apache.org/thread.html/rll7kjtbpj2lvh4nzmrw5sdmqww64ldg",
"tags": [
"vendor-advisory"
]
}
],
"metrics": [
{
"other": {
"type": "Textual description of severity",
"content": {
"text": "low"
}
},
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "The Apache Software Foundation",
"type": "finder"
},
{
"lang": "en",
"value": "Claude Code",
"type": "tool"
}
],
"x_generator": {
"engine": "Vulnogram 1.0.3"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/11/05/6"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2026-11-05T22:05:41.569Z"
}
},
{
"metrics": [
{
"cvssV3_1": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-10T19:08:39.737532Z",
"id": "CVE-2026-103863",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-10T19:09:27.137Z"
}
}
]
}
}