CVE-2026-56586 (GCVE-0-2026-56586)
Vulnerability from cvelistv5 – Published: 2026-07-21 14:48 – Updated: 2026-07-22 18:27
VLAI
EPSS
VEX
Title
HCL IEM was affected with X-Content-Type-Options Header Missing
Summary
HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-16 - Configuration
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.hcl-software.com/csm?id=kb_articl… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HCLSoftware | IntelliOps Event Management |
Affected:
1.1
|
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-56586",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-22T18:13:36.441879Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-22T18:27:35.911Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "IntelliOps Event Management",
"vendor": "HCLSoftware",
"versions": [
{
"status": "affected",
"version": "1.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.\u003c/p\u003e"
}
],
"value": "HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-16",
"description": "CWE-16: Configuration",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-21T14:48:41.192Z",
"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
"shortName": "HCL"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132378"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "HCL IEM was affected with X-Content-Type-Options Header Missing",
"x_generator": {
"engine": "Vulnogram 1.0.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc",
"assignerShortName": "HCL",
"cveId": "CVE-2026-56586",
"datePublished": "2026-07-21T14:48:41.192Z",
"dateReserved": "2026-06-22T13:39:56.746Z",
"dateUpdated": "2026-07-22T18:27:35.911Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-56586",
"date": "2026-07-25",
"epss": "0.00138",
"percentile": "0.03577"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-56586\",\"sourceIdentifier\":\"psirt@hcl.com\",\"published\":\"2026-07-21T16:17:18.107\",\"lastModified\":\"2026-07-22T19:17:07.803\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.\"}],\"affected\":[{\"source\":\"psirt@hcl.com\",\"affectedData\":[{\"vendor\":\"HCLSoftware\",\"product\":\"IntelliOps Event Management\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"1.1\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@hcl.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"baseScore\":3.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.6,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-07-22T18:13:36.441879Z\",\"id\":\"CVE-2026-56586\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"psirt@hcl.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-16\"}]}],\"references\":[{\"url\":\"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132378\",\"source\":\"psirt@hcl.com\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-56586\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-22T18:13:36.441879Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-22T18:13:37.463Z\"}}], \"cna\": {\"title\": \"HCL IEM was affected with X-Content-Type-Options Header Missing\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3.1, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"HCLSoftware\", \"product\": \"IntelliOps Event Management\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.1\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://support.hcl-software.com/csm?id=kb_article\u0026sysparm_article=KB0132378\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003e HCL IEM was affected with X-Content-Type-Options Header Missing. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and intercept sensitive data.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-16\", \"description\": \"CWE-16: Configuration\"}]}], \"providerMetadata\": {\"orgId\": \"1e47fe04-f25f-42fa-b674-36de2c5e3cfc\", \"shortName\": \"HCL\", \"dateUpdated\": \"2026-07-21T14:48:41.192Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-56586\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-22T18:27:35.911Z\", \"dateReserved\": \"2026-06-22T13:39:56.746Z\", \"assignerOrgId\": \"1e47fe04-f25f-42fa-b674-36de2c5e3cfc\", \"datePublished\": \"2026-07-21T14:48:41.192Z\", \"assignerShortName\": \"HCL\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
Loading…