CVE-2026-16186 (GCVE-0-2026-16186)
Vulnerability from cvelistv5 – Published: 2026-09-14 19:58 – Updated: 2026-09-14 19:58
VLAI
EPSS
VEX
Title
IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
Summary
IBM WebSphere Application Server 9.0, and 8.5 is affected by a reflected cross-site scripting vulnerability.
Severity
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7286610 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| IBM | WebSphere Application Server |
Affected:
9.0
Affected: 8.5 cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:* cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:* |
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*",
"cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*"
],
"product": "WebSphere Application Server",
"vendor": "IBM",
"versions": [
{
"status": "affected",
"version": "9.0"
},
{
"status": "affected",
"version": "8.5"
}
]
}
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"value": "IBM WebSphere Application Server 9.0, and 8.5 is affected by a reflected cross-site scripting vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
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"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-14T19:58:02.623Z",
"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"shortName": "ibm"
},
"references": [
{
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://www.ibm.com/support/pages/node/7286610"
}
],
"solutions": [
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"lang": "en",
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"value": "\u003cp\u003eIBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server traditional:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V9.0.0.0 through 9.0.5.28:\u003c/strong\u003e\u003cbr/\u003e\u00b7 Apply Fix Pack \u003ca href=\"SB0030823\" rel=\"nofollow\"\u003e9.0.5.29\u003c/a\u003e (availability September 2026) or later fix pack.\u00a0\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V8.5.0.0 through 8.5.5.30:\u003c/strong\u003e\u003cbr/\u003e\u00b7 Apply Fix Pack \u003ca href=\"https://www.ibm.com/support/pages/node/7285869\" rel=\"nofollow\"\u003e8.5.5.31\u003c/a\u003e (availability September 2026) or later fix pack.\u00a0\u003c/p\u003e"
}
],
"value": "IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.28:\n\u00b7 Apply Fix Pack 9.0.5.29 SB0030823 (availability September 2026) or later fix pack.\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.30:\n\u00b7 Apply Fix Pack 8.5.5.31 https://www.ibm.com/support/pages/node/7285869 (availability September 2026) or later fix pack."
}
],
"title": "IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities"
}
},
"cveMetadata": {
"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"assignerShortName": "ibm",
"cveId": "CVE-2026-16186",
"datePublished": "2026-09-14T19:58:02.623Z",
"dateReserved": "2026-07-18T01:46:41.773Z",
"dateUpdated": "2026-09-14T19:58:02.623Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-16186\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2026-09-14T20:16:39.623\",\"lastModified\":\"2026-09-14T20:16:39.623\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM WebSphere Application Server 9.0, and 8.5 is affected by a reflected cross-site scripting vulnerability.\"}],\"affected\":[{\"source\":\"psirt@us.ibm.com\",\"affectedData\":[{\"vendor\":\"IBM\",\"product\":\"WebSphere Application Server\",\"cpes\":[\"cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*\",\"cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"9.0\",\"status\":\"affected\"},{\"version\":\"8.5\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://www.ibm.com/support/pages/node/7286610\",\"source\":\"psirt@us.ibm.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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