Search
Find a vulnerability
Search criteria
2 vulnerabilities found for sendportal-core by mettle
CVE-2026-111358 (GCVE-0-2026-111358)
Vulnerability from nvd – Published: 2026-10-15 21:43 – Updated: 2026-10-16 15:55
VLAI
EPSS
VEX
Title
SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form
Summary
SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces' tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:55 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@hieuPenguinnn/sendportal-subsc… | third-party-advisory |
| https://github.com/mettle/sendportal-core/blob/v4… | technical-description |
| https://github.com/mettle/sendportal-core/blob/v4… | technical-description |
| https://github.com/mettle/sendportal-core | product |
| https://www.vulncheck.com/advisories/sendportal-s… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mettle | sendportal-core |
Affected:
0 , ≤ 4.0.1
(semver)
|
Date Public
2026-10-15 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-111358",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-16T15:55:17.600296Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-16T15:55:23.157Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-cross-workspace-attach"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:composer/mettle/sendportal-core",
"product": "sendportal-core",
"repo": "https://github.com/mettle/sendportal-core",
"vendor": "mettle",
"versions": [
{
"lessThanOrEqual": "4.0.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "hieuPenguinnn"
}
],
"datePublic": "2026-10-15T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces\u0027 tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-15T21:43:46.335Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-cross-workspace-attach"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Repositories/Subscribers/BaseSubscriberTenantRepository.php#L48-L51"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Http/Requests/SubscriberRequest.php#L34-L37"
},
{
"tags": [
"product"
],
"url": "https://github.com/mettle/sendportal-core"
},
{
"name": "VulnCheck Advisory: SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/sendportal-sendportal-core-through-4.0.1-cross-workspace-tag-attachment-via-subscriber-form"
}
],
"title": "SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-111358",
"datePublished": "2026-10-15T21:43:46.335Z",
"dateReserved": "2026-10-15T20:57:01.492Z",
"dateUpdated": "2026-10-16T15:55:23.157Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-111358 (GCVE-0-2026-111358)
Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-16 15:55
VLAI
EPSS
VEX
Title
SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form
Summary
SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces' tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:55 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@hieuPenguinnn/sendportal-subsc… | third-party-advisory |
| https://github.com/mettle/sendportal-core/blob/v4… | technical-description |
| https://github.com/mettle/sendportal-core/blob/v4… | technical-description |
| https://github.com/mettle/sendportal-core | product |
| https://www.vulncheck.com/advisories/sendportal-s… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| mettle | sendportal-core |
Affected:
0 , ≤ 4.0.1
(semver)
|
Date Public
2026-10-15 00:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-111358",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-16T15:55:17.600296Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-16T15:55:23.157Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-cross-workspace-attach"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageURL": "pkg:composer/mettle/sendportal-core",
"product": "sendportal-core",
"repo": "https://github.com/mettle/sendportal-core",
"vendor": "mettle",
"versions": [
{
"lessThanOrEqual": "4.0.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "hieuPenguinnn"
}
],
"datePublic": "2026-10-15T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces\u0027 tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-15T21:43:46.335Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-cross-workspace-attach"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Repositories/Subscribers/BaseSubscriberTenantRepository.php#L48-L51"
},
{
"tags": [
"technical-description"
],
"url": "https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Http/Requests/SubscriberRequest.php#L34-L37"
},
{
"tags": [
"product"
],
"url": "https://github.com/mettle/sendportal-core"
},
{
"name": "VulnCheck Advisory: SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/sendportal-sendportal-core-through-4.0.1-cross-workspace-tag-attachment-via-subscriber-form"
}
],
"title": "SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-111358",
"datePublished": "2026-10-15T21:43:46.335Z",
"dateReserved": "2026-10-15T20:57:01.492Z",
"dateUpdated": "2026-10-16T15:55:23.157Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}