CVE-2026-82818 (GCVE-0-2026-82818)
Vulnerability from cvelistv5 – Published: 2026-08-31 18:15 – Updated: 2026-08-31 18:48
VLAI
EPSS
VEX
Title
dibo-software diboot Tenant Resource Assignment resource access control
Summary
A vulnerability was determined in dibo-software diboot 3.8.0. This affects an unknown part of the file /api/iam/tenant/resource of the component Tenant Resource Assignment Handler. Executing a manipulation of the argument tenantId can lead to improper access controls. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:47 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397235 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397235/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82818 | third-party-advisory |
| https://vuldb.com/submit/876019 | third-party-advisory |
| https://drive.google.com/file/d/1qFtwq78JN5Af3GlS… | exploit |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| dibo-software | diboot |
Affected:
3.8.0
cpe:2.3:a:dibo-software:diboot:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-82818",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-31T18:47:47.147759Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-31T18:48:05.994Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:dibo-software:diboot:*:*:*:*:*:*:*:*"
],
"modules": [
"Tenant Resource Assignment Handler"
],
"product": "diboot",
"vendor": "dibo-software",
"versions": [
{
"status": "affected",
"version": "3.8.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Stephen Lin (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in dibo-software diboot 3.8.0. This affects an unknown part of the file /api/iam/tenant/resource of the component Tenant Resource Assignment Handler. Executing a manipulation of the argument tenantId can lead to improper access controls. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 6.5,
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "Improper Access Controls",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-266",
"description": "Incorrect Privilege Assignment",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-31T18:15:08.648Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-397235 | dibo-software diboot Tenant Resource Assignment resource access control",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/397235"
},
{
"name": "VDB-397235 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/397235/cti"
},
{
"name": "CVE-2026-82818 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-82818"
},
{
"name": "Submit #876019 | dibo-software diboot v3.8.0 Broken Access Control",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/876019"
},
{
"tags": [
"exploit"
],
"url": "https://drive.google.com/file/d/1qFtwq78JN5Af3GlSD2utfQIbOPBaaQ47/view?usp=sharing"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-08-31T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-08-31T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-08-31T07:38:30.000Z",
"value": "VulDB entry last update"
}
],
"title": "dibo-software diboot Tenant Resource Assignment resource access control",
"x_generator": [
"VulDB PVTS v202608"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-82818",
"datePublished": "2026-08-31T18:15:08.648Z",
"dateReserved": "2026-08-31T05:33:15.998Z",
"dateUpdated": "2026-08-31T18:48:05.994Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-82818\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-08-31T19:17:22.940\",\"lastModified\":\"2026-08-31T20:56:08.800\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was determined in dibo-software diboot 3.8.0. This affects an unknown part of the file /api/iam/tenant/resource of the component Tenant Resource Assignment Handler. Executing a manipulation of the argument tenantId can lead to improper access controls. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"dibo-software\",\"product\":\"diboot\",\"cpes\":[\"cpe:2.3:a:dibo-software:diboot:*:*:*:*:*:*:*:*\"],\"modules\":[\"Tenant Resource Assignment Handler\"],\"versions\":[{\"version\":\"3.8.0\",\"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:L/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\",\"baseScore\":2.1,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"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:L/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":6.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-08-31T18:47:47.147759Z\",\"id\":\"CVE-2026-82818\",\"options\":[{\"exploitation\":\"poc\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-266\"},{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"references\":[{\"url\":\"https://drive.google.com/file/d/1qFtwq78JN5Af3GlSD2utfQIbOPBaaQ47/view?usp=sharing\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-82818\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/876019\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/397235\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/397235/cti\",\"source\":\"cna@vuldb.com\"}]}}",
"vulnrichment": {
"containers": "{\"cna\": {\"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-08-31T18:15:08.648Z\"}, \"title\": \"dibo-software diboot Tenant Resource Assignment resource access control\", \"problemTypes\": [{\"descriptions\": [{\"type\": \"CWE\", \"cweId\": \"CWE-284\", \"lang\": \"en\", \"description\": \"Improper Access Controls\"}]}, {\"descriptions\": [{\"type\": \"CWE\", \"cweId\": \"CWE-266\", \"lang\": \"en\", \"description\": \"Incorrect Privilege Assignment\"}]}], \"affected\": [{\"vendor\": \"dibo-software\", \"product\": \"diboot\", \"versions\": [{\"version\": \"3.8.0\", \"status\": \"affected\"}], \"cpes\": [\"cpe:2.3:a:dibo-software:diboot:*:*:*:*:*:*:*:*\"], \"modules\": [\"Tenant Resource Assignment Handler\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability was determined in dibo-software diboot 3.8.0. This affects an unknown part of the file /api/iam/tenant/resource of the component Tenant Resource Assignment Handler. Executing a manipulation of the argument tenantId can lead to improper access controls. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 5.3, \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P\", \"baseSeverity\": \"MEDIUM\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 6.3, \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\", \"baseSeverity\": \"MEDIUM\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 6.3, \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R\", \"baseSeverity\": \"MEDIUM\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 6.5, \"vectorString\": \"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR\"}}], \"timeline\": [{\"time\": \"2026-08-31T00:00:00.000Z\", \"lang\": \"en\", \"value\": \"Advisory disclosed\"}, {\"time\": \"2026-08-31T02:00:00.000Z\", \"lang\": \"en\", \"value\": \"VulDB entry created\"}, {\"time\": \"2026-08-31T07:38:30.000Z\", \"lang\": \"en\", \"value\": \"VulDB entry last update\"}], \"credits\": [{\"lang\": \"en\", \"value\": \"Stephen Lin (VulDB User)\", \"type\": \"reporter\"}, {\"lang\": \"en\", \"value\": \"VulDB CNA Team\", \"type\": \"coordinator\"}], \"references\": [{\"url\": \"https://vuldb.com/vuln/397235\", \"name\": \"VDB-397235 | dibo-software diboot Tenant Resource Assignment resource access control\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/vuln/397235/cti\", \"name\": \"VDB-397235 | CTI Indicators (IOB, IOC, TTP, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/cve/CVE-2026-82818\", \"name\": \"CVE-2026-82818 | CVE Analysis and Report\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://vuldb.com/submit/876019\", \"name\": \"Submit #876019 | dibo-software diboot v3.8.0 Broken Access Control\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://drive.google.com/file/d/1qFtwq78JN5Af3GlSD2utfQIbOPBaaQ47/view?usp=sharing\", \"tags\": [\"exploit\"]}], \"x_generator\": [\"VulDB PVTS v202608\"]}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-82818\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-31T18:47:47.147759Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-31T18:48:00.678Z\"}}]}",
"cveMetadata": "{\"cveId\": \"CVE-2026-82818\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"VulDB\", \"dateReserved\": \"2026-08-31T05:33:15.998Z\", \"datePublished\": \"2026-08-31T18:15:08.648Z\", \"dateUpdated\": \"2026-08-31T18:48:05.994Z\"}",
"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.
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.
Loading…
Loading…