CVE-2026-5842
A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of the component Administrative API Endpoint. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.75 is sufficient to resolve this issue. It is suggested to upgrade the affected component.
CVSS
- Version: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
- Base score: 5.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.54%
- Percentile among all scored CVEs: 43
- Score date: 9/30/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-285, CWE-639
References
- https://github.com/decolua/9router/
- https://github.com/decolua/9router/issues/431
- https://github.com/decolua/9router/issues/431#issuecomment-4140163867
- https://github.com/decolua/9router/releases/tag/v0.3.75
- https://github.com/deepcat1337/Free_Api_Exploit/tree/main
- https://vuldb.com/submit/790003
- https://vuldb.com/vuln/356298
- https://vuldb.com/vuln/356298/cti
Raw JSON (NVD)
Show
{
"id": "CVE-2026-5842",
"cveTags": [],
"metrics": {
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{
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"role": "CISA Coordinator",
"options": [
{
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},
{
"automatable": "yes"
},
{
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}
],
"version": "2.0.3",
"timestamp": "2026-04-13T19:59:13.122414Z"
}
}
],
"cvssMetricV2": [
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
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"type": "Secondary",
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"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
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"exploitabilityScore": 3.9
}
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"cvssMetricV40": [
{
"type": "Secondary",
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"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 5.5,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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",
"exploitMaturity": "PROOF_OF_CONCEPT",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
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"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "cna@vuldb.com",
"affectedData": [
{
"vendor": "decolua",
"modules": [
"Administrative API Endpoint"
],
"product": "9router",
"versions": [
{
"status": "affected",
"version": "0.3.0"
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{
"status": "affected",
"version": "0.3.1"
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{
"status": "affected",
"version": "0.3.2"
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{
"status": "affected",
"version": "0.3.3"
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{
"status": "affected",
"version": "0.3.4"
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{
"status": "affected",
"version": "0.3.5"
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{
"status": "affected",
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{
"status": "affected",
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{
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{
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "0.3.15"
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{
"status": "affected",
"version": "0.3.16"
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{
"status": "affected",
"version": "0.3.17"
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{
"status": "affected",
"version": "0.3.18"
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{
"status": "affected",
"version": "0.3.19"
},
{
"status": "affected",
"version": "0.3.20"
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{
"status": "affected",
"version": "0.3.21"
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{
"status": "affected",
"version": "0.3.22"
},
{
"status": "affected",
"version": "0.3.23"
},
{
"status": "affected",
"version": "0.3.24"
},
{
"status": "affected",
"version": "0.3.25"
},
{
"status": "affected",
"version": "0.3.26"
},
{
"status": "affected",
"version": "0.3.27"
},
{
"status": "affected",
"version": "0.3.28"
},
{
"status": "affected",
"version": "0.3.29"
},
{
"status": "affected",
"version": "0.3.30"
},
{
"status": "affected",
"version": "0.3.31"
},
{
"status": "affected",
"version": "0.3.32"
},
{
"status": "affected",
"version": "0.3.33"
},
{
"status": "affected",
"version": "0.3.34"
},
{
"status": "affected",
"version": "0.3.35"
},
{
"status": "affected",
"version": "0.3.36"
},
{
"status": "affected",
"version": "0.3.37"
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{
"status": "affected",
"version": "0.3.38"
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{
"status": "affected",
"version": "0.3.39"
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{
"status": "affected",
"version": "0.3.40"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "0.3.47"
},
{
"status": "unaffected",
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]
}
],
"published": "2026-04-09T05:16:06.380",
"references": [
{
"url": "https://github.com/decolua/9router/",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/decolua/9router/issues/431",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/decolua/9router/issues/431#issuecomment-4140163867",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/decolua/9router/releases/tag/v0.3.75",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/deepcat1337/Free_Api_Exploit/tree/main",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/submit/790003",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/vuln/356298",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/vuln/356298/cti",
"source": "cna@vuldb.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"description": [
{
"lang": "en",
"value": "CWE-285"
},
{
"lang": "en",
"value": "CWE-639"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of the component Administrative API Endpoint. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.75 is sufficient to resolve this issue. It is suggested to upgrade the affected component."
}
],
"lastModified": "2026-06-17T10:59:44.430",
"sourceIdentifier": "cna@vuldb.com"
}