CVE-2026-15371 (GCVE-0-2026-15371)
Vulnerability from cvelistv5 – Published: 2026-08-18 06:52 – Updated: 2026-08-18 06:52
VLAI
EPSS
VEX
Title
Velociraptor Stored XSS in URL column types
Summary
Velociraptor's web GUI allows specifying a custom type for columns in tables. The URL type takes the cell value and forms a URL which can be clicked in the GUI.The code does not limit the schemes allowed in this URL , allowing an attacker to specify a JavaScript scheme exposing the user to XSS.
Severity
8.1 (High)
CWE
- CWE-177 - Improper handling of URL encoding (hex encoding)
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Rapid7 | Velociraptor |
Affected:
0 , < 0.77.2
(semver)
|
guessed |
{
"containers": {
"cna": {
"affected": [
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"packageName": "Velociraptor",
"platforms": [
"Linux"
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"repo": "https://github.com/Velocidex/velociraptor/",
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"configurations": [
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"supportingMedia": [
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"base64": false,
"type": "text/html",
"value": "The user must designate the column to be of type URL in the notebook, or in the artifact. Currently the only built in artifact that does this is \u003cb\u003eServer.Monitoring.RSSFeeds.\u003c/b\u003e"
}
],
"value": "The user must designate the column to be of type URL in the notebook, or in the artifact. Currently the only built in artifact that does this is Server.Monitoring.RSSFeeds."
}
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"credits": [
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"value": "yoojoon2 (https://github.com/yoojoon2)"
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}
],
"value": "Velociraptor\u0027s web GUI allows specifying a custom type for columns in tables. The URL type takes the cell value and forms a URL which can be clicked in the GUI.The code does not limit the schemes allowed in this URL , allowing an attacker to specify a JavaScript scheme exposing the user to XSS."
}
],
"impacts": [
{
"capecId": "CAPEC-592",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-592 Stored XSS"
}
]
}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
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"problemTypes": [
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"descriptions": [
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"description": "CWE-177 Improper handling of URL encoding (hex encoding)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-18T06:52:28.884Z",
"orgId": "9974b330-7714-4307-a722-5648477acda7",
"shortName": "rapid7"
},
"references": [
{
"url": "http://docs.velociraptor.app/announcements/advisories/cve-2026-15371/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Velociraptor Stored XSS in URL column types",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Users should not designate a column as type URL if the source of the table is untrusted (e.g. the results from artifact collections where the data is under the attacker\u0027s control)."
}
],
"value": "Users should not designate a column as type URL if the source of the table is untrusted (e.g. the results from artifact collections where the data is under the attacker\u0027s control)."
}
],
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"cveMetadata": {
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"cveId": "CVE-2026-15371",
"datePublished": "2026-08-18T06:52:28.884Z",
"dateReserved": "2026-07-10T08:15:06.308Z",
"dateUpdated": "2026-08-18T06:52:28.884Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-15371",
"date": "2026-08-18",
"epss": "0.00207",
"percentile": "0.11126"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-15371\",\"sourceIdentifier\":\"cve@rapid7.com\",\"published\":\"2026-08-18T07:16:48.927\",\"lastModified\":\"2026-08-18T07:16:48.927\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Velociraptor\u0027s web GUI allows specifying a custom type for columns in tables. The URL type takes the cell value and forms a URL which can be clicked in the GUI.The code does not limit the schemes allowed in this URL , allowing an attacker to specify a JavaScript scheme exposing the user to XSS.\"}],\"affected\":[{\"source\":\"cve@rapid7.com\",\"affectedData\":[{\"vendor\":\"Rapid7\",\"product\":\"Velociraptor\",\"defaultStatus\":\"unaffected\",\"packageName\":\"Velociraptor\",\"platforms\":[\"Linux\"],\"repo\":\"https://github.com/Velocidex/velociraptor/\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"0.77.2\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@rapid7.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.7,\"impactScore\":5.8}]},\"weaknesses\":[{\"source\":\"cve@rapid7.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-177\"}]}],\"references\":[{\"url\":\"http://docs.velociraptor.app/announcements/advisories/cve-2026-15371/\",\"source\":\"cve@rapid7.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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