CVE-2026-103512 (GCVE-0-2026-103512)
Vulnerability from cvelistv5 – Published: 2026-10-05 08:36 – Updated: 2026-10-05 12:34
VLAI
EPSS
VEX
Title
Ticket host-binding bypass via spoofed client IP in P4Search
Summary
Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when validating certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket's owner.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 12:32 UTC
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Perforce | P4 (Helix Core) |
Affected:
0 , ≤ 2026.4.1
(custom)
Unaffected: 2026.4.2 (custom) |
guessed |
Date Public
2026-09-30 18:29
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-103512",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-05T12:32:36.852945Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-05T12:34:32.028Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageName": "P4Search",
"product": "P4 (Helix Core)",
"vendor": "Perforce",
"versions": [
{
"lessThanOrEqual": "2026.4.1",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2026.4.2",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Khoa Bui (https://github.com/zenniskayy2k4)"
}
],
"datePublic": "2026-09-30T18:29:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cp\u003ePerforce P4 Search prior to 2026.4.2 trusts a client-supplied address when\u0026nbsp;validating\u0026nbsp;certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket\u0027s owner.\u0026nbsp;\u003c/p\u003e\u003c/div\u003e"
}
],
"value": "Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when\u00a0validating\u00a0certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket\u0027s owner."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"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",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-290",
"description": "CWE-290 Authentication bypass by spoofing",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-05T08:36:55.057Z",
"orgId": "ca2a266c-be2f-4d4b-92d0-47b76b1a9c4e",
"shortName": "Perforce"
},
"references": [
{
"url": "https://portal.perforce.com/s/cve/a91Qi000003FDo1IAG/ticket-hostbinding-bypass-via-spoofed-client-ip-in-p4search"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Ticket host-binding bypass via spoofed client IP in P4Search",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "ca2a266c-be2f-4d4b-92d0-47b76b1a9c4e",
"assignerShortName": "Perforce",
"cveId": "CVE-2026-103512",
"datePublished": "2026-10-05T08:36:55.057Z",
"dateReserved": "2026-09-30T17:38:18.505Z",
"dateUpdated": "2026-10-05T12:34:32.028Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-103512",
"date": "2026-10-05",
"epss": "0.00374",
"percentile": "0.29047"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"packageName": "P4Search",
"product": "P4 (Helix Core)",
"vendor": "Perforce",
"versions": [
{
"lessThanOrEqual": "2026.4.1",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2026.4.2",
"versionType": "custom"
}
]
}
],
"source": "security@puppet.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when\u00a0validating\u00a0certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket\u0027s owner."
}
],
"id": "CVE-2026-103512",
"lastModified": "2026-10-05T13:16:50.993",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"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/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",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "security@puppet.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-103512",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-05T12:32:36.852945Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-10-05T09:17:07.247",
"references": [
{
"source": "security@puppet.com",
"url": "https://portal.perforce.com/s/cve/a91Qi000003FDo1IAG/ticket-hostbinding-bypass-via-spoofed-client-ip-in-p4search"
}
],
"sourceIdentifier": "security@puppet.com",
"vulnStatus": "Received",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-290"
}
],
"source": "security@puppet.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-103512",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-05T12:32:36.852945Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-05T12:32:50.875Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"packageName": "P4Search",
"product": "P4 (Helix Core)",
"vendor": "Perforce",
"versions": [
{
"lessThanOrEqual": "2026.4.1",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2026.4.2",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Khoa Bui (https://github.com/zenniskayy2k4)"
}
],
"datePublic": "2026-09-30T18:29:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cp\u003ePerforce P4 Search prior to 2026.4.2 trusts a client-supplied address when\u0026nbsp;validating\u0026nbsp;certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket\u0027s owner.\u0026nbsp;\u003c/p\u003e\u003c/div\u003e"
}
],
"value": "Perforce P4 Search prior to 2026.4.2 trusts a client-supplied address when\u00a0validating\u00a0certain authentication requests. An attacker holding a stolen P4 Server ticket can bypass host-based ticket restrictions and trusted-address controls, gaining access to P4 Search as the ticket\u0027s owner."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"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",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-290",
"description": "CWE-290 Authentication bypass by spoofing",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-05T08:36:55.057Z",
"orgId": "ca2a266c-be2f-4d4b-92d0-47b76b1a9c4e",
"shortName": "Perforce"
},
"references": [
{
"url": "https://portal.perforce.com/s/cve/a91Qi000003FDo1IAG/ticket-hostbinding-bypass-via-spoofed-client-ip-in-p4search"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Ticket host-binding bypass via spoofed client IP in P4Search",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "ca2a266c-be2f-4d4b-92d0-47b76b1a9c4e",
"assignerShortName": "Perforce",
"cveId": "CVE-2026-103512",
"datePublished": "2026-10-05T08:36:55.057Z",
"dateReserved": "2026-09-30T17:38:18.505Z",
"dateUpdated": "2026-10-05T12:34:32.028Z",
"state": "PUBLISHED"
},
"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…
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.
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.
Loading…
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.
Loading…