{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-121413", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-03T12:28:46.507Z", "datePublished": "2026-11-03T14:28:12.320Z", "dateUpdated": "2026-11-03T14:28:12.320Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-03T14:28:12.320Z"}, "datePublic": "2026-10-20T00:00:00.000Z", "title": "Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 Session Permission Bypass via upgradeToRevocableSession", "descriptions": [{"lang": "en", "value": "Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 contains an authorization bypass in the session upgrade endpoint, which creates a new session for any valid session token without enforcing the _Session class create class-level permission. Attackers holding a user's session token can send an already revocable token to /upgradeToRevocableSession to obtain additional sessions with fresh expiration that persist after the original session is logged out."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect Authorization", "cweId": "CWE-863", "type": "CWE"}]}], "affected": [{"vendor": "parse-community", "product": "parse-server", "defaultStatus": "unaffected", "packageURL": "pkg:npm/parse-server", "versions": [{"version": "9.0.0", "status": "affected", "versionType": "semver", "lessThan": "9.10.6-alpha.4"}, {"version": "9.10.6-alpha.4", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "parse-community", "product": "parse-server", "defaultStatus": "unaffected", "packageURL": "pkg:npm/parse-server", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "8.6.112"}, {"version": "8.6.112", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0.0", "versionEndExcluding": "9.10.6-alpha.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:*:*:*", "versionEndExcluding": "8.6.112"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-2j2x-c587-q33g", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-2j2x-c587-q33g)"}, {"url": "https://github.com/parse-community/parse-server/pull/10808", "tags": ["patch", "issue-tracking"]}, {"url": "https://github.com/parse-community/parse-server/pull/10809", "tags": ["patch", "issue-tracking"]}, {"name": "VulnCheck Advisory: Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 Session Permission Bypass via upgradeToRevocableSession", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/parse-server-before-8.6.112-and-9.0.0-before-9.10.6-alpha.4-session-permission-bypass-via-upgradetorevocablesession"}], "credits": [{"lang": "en", "value": "mtrezza", "type": "coordinator"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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