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6 vulnerabilities by Attendize
CVE-2026-72547 (GCVE-0-2026-72547)
Vulnerability from nvd – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:10
VLAI
EPSS
VEX
Title
Attendize Attendize - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to bulk import attendees into events belonging to other accounts via the postImportAttendee endpoint. The endpoint loads the target event by ID without verifying ownership against the requesting organiser account. An attacker can inject bulk attendee data into any event in the system regardless of account boundaries.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:09 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
Impacted products
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CVE-2026-72546 (GCVE-0-2026-72546)
Vulnerability from nvd – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:08
VLAI
EPSS
VEX
Title
Attendize Attendize - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to inject attendees and orders into events belonging to other accounts via the postInviteAttendee endpoint. The endpoint loads the target event by ID without scoping the query to the authenticated organiser account. An attacker can modify event data and financial records across account boundaries.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:08 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
Impacted products
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CVE-2026-72690 (GCVE-0-2026-72690)
Vulnerability from nvd – Published: 2026-08-10 11:59 – Updated: 2026-08-10 18:22
VLAI
EPSS
VEX
Title
Attendize Attendize - Cross-Tenant Authorization Bypass
Summary
An improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer's events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim's account-scoped delete path cannot resolve a question owned by another tenant.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 15:47 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Attendize/Attendize | third-party-advisory |
Impacted products
Date Public
2026-08-10 12:00
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CVE-2026-72547 (GCVE-0-2026-72547)
Vulnerability from cvelistv5 – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:10
VLAI
EPSS
VEX
Title
Attendize Attendize - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to bulk import attendees into events belonging to other accounts via the postImportAttendee endpoint. The endpoint loads the target event by ID without verifying ownership against the requesting organiser account. An attacker can inject bulk attendee data into any event in the system regardless of account boundaries.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:09 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
Impacted products
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CVE-2026-72546 (GCVE-0-2026-72546)
Vulnerability from cvelistv5 – Published: 2026-08-11 11:09 – Updated: 2026-08-11 15:08
VLAI
EPSS
VEX
Title
Attendize Attendize - Insecure Direct Object Reference
Summary
An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to inject attendees and orders into events belonging to other accounts via the postInviteAttendee endpoint. The endpoint loads the target event by ID without scoping the query to the authenticated organiser account. An attacker can modify event data and financial records across account boundaries.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 15:08 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
Impacted products
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CVE-2026-72690 (GCVE-0-2026-72690)
Vulnerability from cvelistv5 – Published: 2026-08-10 11:59 – Updated: 2026-08-10 18:22
VLAI
EPSS
VEX
Title
Attendize Attendize - Cross-Tenant Authorization Bypass
Summary
An improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer's events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim's account-scoped delete path cannot resolve a question owned by another tenant.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 15:47 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Attendize/Attendize | third-party-advisory |
Impacted products
Date Public
2026-08-10 12:00
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"lang": "en",
"type": "finder",
"value": "Bobur Abdugafforov (Mahadsec)"
}
],
"datePublic": "2026-08-10T12:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
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"value": "\u003cp\u003eAn improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer\u0027s events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim\u0027s account-scoped delete path cannot resolve a question owned by another tenant.\u003c/p\u003e"
}
],
"value": "An improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer\u0027s events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim\u0027s account-scoped delete path cannot resolve a question owned by another tenant."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-10T11:59:08.912Z",
"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
"shortName": "TuranSec"
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"references": [
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"name": "Attendize GitHub Repository",
"tags": [
"third-party-advisory"
],
"url": "https://github.com/Attendize/Attendize"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Attendize Attendize - Cross-Tenant Authorization Bypass"
}
},
"cveMetadata": {
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"assignerShortName": "TuranSec",
"cveId": "CVE-2026-72690",
"datePublished": "2026-08-10T11:59:08.912Z",
"dateReserved": "2026-08-10T11:55:39.471Z",
"dateUpdated": "2026-08-10T18:22:15.247Z",
"state": "PUBLISHED"
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