{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92298", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-16T01:33:04.403Z", "datePublished": "2026-09-16T01:57:46.309Z", "dateUpdated": "2026-09-16T01:57:46.309Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-16T01:57:46.309Z"}, "datePublic": "2026-09-12T00:00:00.000Z", "title": "EspoCRM through 10.0.8 Weak Token Generation via rand()", "descriptions": [{"lang": "en", "value": "EspoCRM through 10.0.8 uses PHP's rand() function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event invitations on behalf of other contacts, and access event details."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)", "cweId": "CWE-338", "type": "CWE"}]}], "affected": [{"vendor": "EspoCRM", "product": "EspoCRM", "defaultStatus": "unaffected", "packageURL": "pkg:composer/espocrm/espocrm", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "10.0.8"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:espocrm:espocrm:*:*:*:*:*:*:*:*", "versionEndIncluding": "10.0.8"}]}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://gist.github.com/kazisabu/9e3109aab24245fde19b88f53f965e93", "tags": ["technical-description"], "name": "Reporter write-up"}, {"url": "https://github.com/espocrm/espocrm/commit/8e5555c1ee0ed1e92a9ad54e62f735ac2c4051a1", "tags": ["patch"], "name": "Patch Commit (unreleased at time of assignment)"}, {"url": "https://github.com/espocrm/espocrm/blob/10.0.8/application/Espo/Core/Utils/Util.php#L585-L590", "tags": ["technical-description"], "name": "Util::generateMoreEntropyId() at 10.0.8"}, {"url": "https://github.com/espocrm/espocrm/blob/10.0.8/application/Espo/Repositories/UniqueId.php#L47", "tags": ["technical-description"], "name": "UniqueId::getNew() applies the weak generator"}, {"url": "https://github.com/espocrm/espocrm", "tags": ["product"]}, {"name": "VulnCheck Advisory: EspoCRM through 10.0.8 Weak Token Generation via rand()", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/espocrm-through-10.0.8-weak-token-generation-via-rand"}], "credits": [{"lang": "en", "value": "Kazi Sabbir"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:composer/espocrm/espocrm", "product": "EspoCRM", "vendor": "EspoCRM", "versions": [{"lessThanOrEqual": "10.0.8", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "EspoCRM through 10.0.8 uses PHP's rand() function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event invitations on behalf of other contacts, and access event details."}], "id": "CVE-2026-92298", "lastModified": "2026-09-16T02:17:39.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/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": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-16T02:17:39.170", "references": [{"source": "[email protected]", "url": "https://gist.github.com/kazisabu/9e3109aab24245fde19b88f53f965e93"}, {"source": "[email protected]", "url": "https://github.com/espocrm/espocrm"}, {"source": "[email protected]", "url": "https://github.com/espocrm/espocrm/blob/10.0.8/application/Espo/Core/Utils/Util.php#L585-L590"}, {"source": "[email protected]", "url": "https://github.com/espocrm/espocrm/blob/10.0.8/application/Espo/Repositories/UniqueId.php#L47"}, {"source": "[email protected]", "url": "https://github.com/espocrm/espocrm/commit/8e5555c1ee0ed1e92a9ad54e62f735ac2c4051a1"}, {"source": "[email protected]", "url": "https://www.vulncheck.com/advisories/espocrm-through-10.0.8-weak-token-generation-via-rand"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-338"}], "source": "[email protected]", "type": "Primary"}]}

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