CVE-2026-63170

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63170", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-15T21:18:20.186Z", "datePublished": "2026-11-13T17:07:10.694Z", "dateUpdated": "2026-11-13T17:26:25.202Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T17:26:25.202Z"}, "title": "Omnispace Agora Project 26.10.0 Predictable Share Token via md5Id", "descriptions": [{"lang": "en", "value": "Omnispace Agora Project through 26.10.0 contains a predictable token generation vulnerability that allows unauthenticated attackers to forge the shared-calendar iCal share token by deriving md5Id() from predictable fields such as object creation time, which is self-disclosed through autorDate and the iCal CREATED field. Attackers can compute the creation minute and forge the md5Id token to access and read a shared calendar's iCal feed without authorization."}], "tags": ["x_open-source"], "datePublic": "2026-11-13T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "description": "Generation of Predictable Numbers or Identifiers", "cweId": "CWE-340", "type": "CWE"}]}], "affected": [{"defaultStatus": "unaffected", "vendor": "Omnispace", "product": "Agora Project", "packageURL": "pkg:github/xech/agora-project", "repo": "https://github.com/xech/agora-project", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "26.10.0"}]}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:agora-project:agora-project:*:*:*:*:*:*:*:*", "versionEndIncluding": "26.10.0"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "LOW", "baseScore": 3.7, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}}], "references": [{"url": "https://www.akailabs.fr/blog/multiple-vulnerabilities-in-agora-project-26-5-2#cve-2026-63170-shared-calendar-ical-share-token-forgeable-from-a-leaked-creation", "name": "akailabs Disclosure", "tags": ["technical-description"]}, {"url": "https://www.agora-project.net/", "name": "Product Webpage", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/omnispace-agora-project-predictable-share-token-via-md5id", "name": "VulnCheck Advisory: Omnispace Agora Project 26.10.0 Predictable Share Token via md5Id", "tags": ["third-party-advisory"]}], "credits": [{"lang": "en", "value": "Geoffrey Robert of akailabs", "type": "finder"}, {"lang": "en", "value": "Valentin Holubec of akailabs", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/xech/agora-project", "product": "Agora Project", "repo": "https://github.com/xech/agora-project", "vendor": "Omnispace", "versions": [{"lessThanOrEqual": "26.10.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Omnispace Agora Project through 26.10.0 contains a predictable token generation vulnerability that allows unauthenticated attackers to forge the shared-calendar iCal share token by deriving md5Id() from predictable fields such as object creation time, which is self-disclosed through autorDate and the iCal CREATED field. Attackers can compute the creation minute and forge the md5Id token to access and read a shared calendar's iCal feed without authorization."}], "id": "CVE-2026-63170", "lastModified": "2026-11-13T18:17:47.503", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "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:N/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": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-11-13T17:17:34.280", "references": [{"source": "disclosure@vulncheck.com", "url": "https://www.agora-project.net/"}, {"source": "disclosure@vulncheck.com", "url": "https://www.akailabs.fr/blog/multiple-vulnerabilities-in-agora-project-26-5-2#cve-2026-63170-shared-calendar-ical-share-token-forgeable-from-a-leaked-creation"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/omnispace-agora-project-predictable-share-token-via-md5id"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-340"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "agora-project", "vendor": "agora-project"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.10.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Agora Project", "source": "cna", "vendor": "Omnispace"}, "product": "agora_project", "vendor": "omnispace"}], "created": "2026-11-13T21:00:08.760900+00:00", "updated": "2026-11-13T21:00:08.760939+00:00", "vendors": ["agora-project", "agora-project$PRODUCT$agora-project", "omnispace", "omnispace$PRODUCT$agora_project"]}