CVE-2026-68490 - Vulnerability Details - OpenCVE

Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Webpros	Cpanel

No data.

No data.

References

Link	Providers
https://support.cpanel.net/hc/en-us/articles/43502940099991

History

Thu, 24 Sep 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 23 Sep 2026 22:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Webpros Webpros cpanel
Vendors & Products		Webpros Webpros cpanel

Wed, 23 Sep 2026 22:00:00 +0000

Type	Values Removed	Values Added
Title		Local User Access to Other Accounts' CalDAV and CardDAV Data via Permission Misassignment

Wed, 23 Sep 2026 20:00:00 +0000

Type	Values Removed	Values Added
Description		Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts.
Weaknesses		CWE-732
References		https://support.cpanel.net/hc/en-us/articles/43502940099991
Metrics		cvssV4_0 `{'score': 8.2, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2026-09-23T19:52:47.162Z

Updated: 2026-09-24T14:28:56.203Z

Reserved: 2026-07-30T15:00:00.609Z

Link: CVE-2026-68490

Vulnrichment

Updated: 2026-09-24T14:28:52.261Z

NVD

Status : Awaiting Analysis

Published: 2026-09-23T20:17:13.447

Modified: 2026-09-24T21:16:28.120

Link: CVE-2026-68490

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68490", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-07-30T15:00:00.609Z", "datePublished": "2026-09-23T19:52:47.162Z", "dateUpdated": "2026-09-24T14:28:56.203Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts."}], "affected": [{"vendor": "WebPros", "product": "cPanel", "versions": [{"version": "11.120.0.0", "status": "affected", "lessThan": "11.134.0.57", "versionType": "semver"}, {"version": "11.136.0.0", "status": "affected", "lessThan": "11.136.0.41", "versionType": "semver"}, {"version": "11.138.0.0", "status": "affected", "lessThan": "11.138.0.8", "versionType": "semver"}, {"version": "11.134.0.57", "status": "unaffected", "lessThan": "11.134.0.57", "versionType": "semver"}, {"version": "11.136.0.41", "status": "unaffected", "lessThan": "11.136.0.41", "versionType": "semver"}, {"version": "11.138.0.8", "status": "unaffected", "lessThan": "11.138.0.8", "versionType": "semver"}]}], "references": [{"url": "https://support.cpanel.net/hc/en-us/articles/43502940099991"}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N", "baseScore": 8.2, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource"}]}], "credits": [{"lang": "en", "value": "Ali Mustafa (rz1027)", "type": "reporter"}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-09-23T19:52:47.162Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T14:28:48.363650Z", "id": "CVE-2026-68490", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T14:28:56.203Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-68490", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-24T14:28:48.363650Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T14:28:52.261Z"}}], "cna": {"credits": [{"lang": "en", "type": "reporter", "value": "Ali Mustafa (rz1027)"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"}}], "affected": [{"vendor": "WebPros", "product": "cPanel", "versions": [{"status": "affected", "version": "11.120.0.0", "lessThan": "11.134.0.57", "versionType": "semver"}, {"status": "affected", "version": "11.136.0.0", "lessThan": "11.136.0.41", "versionType": "semver"}, {"status": "affected", "version": "11.138.0.0", "lessThan": "11.138.0.8", "versionType": "semver"}, {"status": "unaffected", "version": "11.134.0.57", "lessThan": "11.134.0.57", "versionType": "semver"}, {"status": "unaffected", "version": "11.136.0.41", "lessThan": "11.136.0.41", "versionType": "semver"}, {"status": "unaffected", "version": "11.138.0.8", "lessThan": "11.138.0.8", "versionType": "semver"}]}], "references": [{"url": "https://support.cpanel.net/hc/en-us/articles/43502940099991"}], "descriptions": [{"lang": "en", "value": "Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-09-23T19:52:47.162Z"}}}, "cveMetadata": {"cveId": "CVE-2026-68490", "state": "PUBLISHED", "dateUpdated": "2026-09-24T14:28:56.203Z", "dateReserved": "2026-07-30T15:00:00.609Z", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "datePublished": "2026-09-23T19:52:47.162Z", "assignerShortName": "hackerone"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "cPanel", "vendor": "WebPros", "versions": [{"lessThan": "11.134.0.57", "status": "affected", "version": "11.120.0.0", "versionType": "semver"}, {"lessThan": "11.136.0.41", "status": "affected", "version": "11.136.0.0", "versionType": "semver"}, {"lessThan": "11.138.0.8", "status": "affected", "version": "11.138.0.0", "versionType": "semver"}, {"lessThan": "11.134.0.57", "status": "unaffected", "version": "11.134.0.57", "versionType": "semver"}, {"lessThan": "11.136.0.41", "status": "unaffected", "version": "11.136.0.41", "versionType": "semver"}, {"lessThan": "11.138.0.8", "status": "unaffected", "version": "11.138.0.8", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts."}], "id": "CVE-2026-68490", "lastModified": "2026-09-24T21:16:28.120", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "baseSeverity": "HIGH", "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": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/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": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "support@hackerone.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-68490", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-24T14:28:48.363650Z", "version": "2.0.3"}}]}, "published": "2026-09-23T20:17:13.447", "references": [{"source": "support@hackerone.com", "url": "https://support.cpanel.net/hc/en-us/articles/43502940099991"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "support@hackerone.com", "type": "Secondary"}]}