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vuln-cve/data/2026/8xxx/CVE-2026-8296.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-8296",
"assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272",
"state": "PUBLISHED",
"assignerShortName": "Octopus",
"dateReserved": "2026-05-11T09:44:07.992Z",
"datePublished": "2026-06-19T09:23:28.395Z",
"dateUpdated": "2026-06-22T15:11:03.984Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272",
"shortName": "Octopus",
"dateUpdated": "2026-06-19T09:23:28.395Z"
},
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Stored XSS using artifacts"
}
]
}
],
"affected": [
{
"vendor": "Octopus Deploy",
"product": "Octopus Server",
"platforms": [
"Windows",
"Linux"
],
"versions": [
{
"status": "affected",
"version": "2023.0.0",
"lessThan": "2025.4.10678",
"versionType": "custom"
},
{
"status": "affected",
"version": "2026.1.0",
"lessThan": "2026.1.11451",
"versionType": "custom"
},
{
"status": "affected",
"version": "2026.2.0",
"lessThan": "2026.2.13114",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"lang": "en",
"value": "In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting Payload via artifacts."
}
]
}
],
"references": [
{
"url": "https://advisories.octopus.com/post/2026/sa2026-05"
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "HIGH",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "MEDIUM",
"baseScore": 5.6,
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
}
}
],
"credits": [
{
"lang": "en",
"value": "This vulnerability was found by asotyc",
"type": "finder"
}
],
"source": {
"discovery": "EXTERNAL"
},
"x_generator": {
"engine": "Vulnogram 1.0.2"
}
},
"adp": [
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-79",
"lang": "en",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
}
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-22T15:10:19.347472Z",
"id": "CVE-2026-8296",
"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": "2026-06-22T15:11:03.984Z"
}
}
]
}
}