CVE-2026-92860 (GCVE-0-2026-92860)
Vulnerability from cvelistv5 – Published: 2026-09-17 12:00 – Updated: 2026-09-17 12:00
VLAI
EPSS
VEX
Title
rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation
Summary
A security flaw has been discovered in rcourtman Pulse up to 6.0.4/6.1.0-rc.4. Affected by this issue is the function fmt.Sprintf of the file /api/security/quick-setup of the component Quick Security Setup Handler. The manipulation of the argument Username results in improper input validation. The attack may be performed from remote. Upgrading the affected component is advised.
Severity
9.1 (Critical)
9.1 (Critical)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/406309 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/406309/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-92860 | third-party-advisory |
| https://vuldb.com/submit/941807 | third-party-advisory |
| https://github.com/rcourtman/Pulse/security/advis… | related |
| https://github.com/rcourtman/Pulse/releases/tag/v6.1.0 | patch |
| https://github.com/rcourtman/Pulse/ | product |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:rcourtman:pulse:*:*:*:*:*:*:*:*"
],
"modules": [
"Quick Security Setup Handler"
],
"product": "Pulse",
"vendor": "rcourtman",
"versions": [
{
"status": "affected",
"version": "6.0.0"
},
{
"status": "affected",
"version": "6.0.1"
},
{
"status": "affected",
"version": "6.0.2"
},
{
"status": "affected",
"version": "6.0.3"
},
{
"status": "affected",
"version": "6.0.4"
},
{
"status": "affected",
"version": "6.1.0-rc.0"
},
{
"status": "affected",
"version": "6.1.0-rc.1"
},
{
"status": "affected",
"version": "6.1.0-rc.2"
},
{
"status": "affected",
"version": "6.1.0-rc.3"
},
{
"status": "affected",
"version": "6.1.0-rc.4"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "wanyan (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in rcourtman Pulse up to 6.0.4/6.1.0-rc.4. Affected by this issue is the function fmt.Sprintf of the file /api/security/quick-setup of the component Quick Security Setup Handler. The manipulation of the argument Username results in improper input validation. The attack may be performed from remote. Upgrading the affected component is advised."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 9.4,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 8.3,
"vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C/E:ND/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-17T12:00:15.798Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-406309 | rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/406309"
},
{
"name": "VDB-406309 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/406309/cti"
},
{
"name": "CVE-2026-92860 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-92860"
},
{
"name": "Submit #941807 | GitHub Pulse \u003c= 6.0.4 Improper Input Validation / Remote Code Execution",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/941807"
},
{
"tags": [
"related"
],
"url": "https://github.com/rcourtman/Pulse/security/advisories/GHSA-rr3f-jjrr-3qxv"
},
{
"tags": [
"patch"
],
"url": "https://github.com/rcourtman/Pulse/releases/tag/v6.1.0"
},
{
"tags": [
"product"
],
"url": "https://github.com/rcourtman/Pulse/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-09-17T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-09-17T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-09-17T07:50:38.000Z",
"value": "VulDB entry last update"
}
],
"title": "rcourtman Pulse Quick Security Setup quick-setup fmt.Sprintf input validation",
"x_generator": [
"VulDB PVTS v202609"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-92860",
"datePublished": "2026-09-17T12:00:15.798Z",
"dateReserved": "2026-09-17T05:45:33.939Z",
"dateUpdated": "2026-09-17T12:00:15.798Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-92860\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-09-17T12:18:29.927\",\"lastModified\":\"2026-09-17T12:18:29.927\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A security flaw has been discovered in rcourtman Pulse up to 6.0.4/6.1.0-rc.4. Affected by this issue is the function fmt.Sprintf of the file /api/security/quick-setup of the component Quick Security Setup Handler. The manipulation of the argument Username results in improper input validation. The attack may be performed from remote. Upgrading the affected component is advised.\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"rcourtman\",\"product\":\"Pulse\",\"cpes\":[\"cpe:2.3:a:rcourtman:pulse:*:*:*:*:*:*:*:*\"],\"modules\":[\"Quick Security Setup Handler\"],\"versions\":[{\"version\":\"6.0.0\",\"status\":\"affected\"},{\"version\":\"6.0.1\",\"status\":\"affected\"},{\"version\":\"6.0.2\",\"status\":\"affected\"},{\"version\":\"6.0.3\",\"status\":\"affected\"},{\"version\":\"6.0.4\",\"status\":\"affected\"},{\"version\":\"6.1.0-rc.0\",\"status\":\"affected\"},{\"version\":\"6.1.0-rc.1\",\"status\":\"affected\"},{\"version\":\"6.1.0-rc.2\",\"status\":\"affected\"},{\"version\":\"6.1.0-rc.3\",\"status\":\"affected\"},{\"version\":\"6.1.0-rc.4\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":9.4,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"HIGH\",\"subIntegrityImpact\":\"HIGH\",\"subAvailabilityImpact\":\"HIGH\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.3,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:M/C:C/I:C/A:C\",\"baseScore\":8.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"MULTIPLE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":6.4,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"https://github.com/rcourtman/Pulse/\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/rcourtman/Pulse/releases/tag/v6.1.0\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/rcourtman/Pulse/security/advisories/GHSA-rr3f-jjrr-3qxv\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-92860\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/941807\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/406309\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/406309/cti\",\"source\":\"cna@vuldb.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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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