{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32742", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-13T15:02:00.629Z", "datePublished": "2026-03-18T21:33:09.421Z", "dateUpdated": "2026-03-20T18:11:49.441Z"}, "containers": {"cna": {"title": "Parse Server session creation endpoint allows overwriting server-generated session fields", "problemTypes": [{"descriptions": [{"cweId": "CWE-915", "lang": "en", "description": "CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/parse-community/parse-server/security/advisories/GHSA-5v7g-9h8f-8pgg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-5v7g-9h8f-8pgg"}, {"name": "https://github.com/parse-community/parse-server/pull/10195", "tags": ["x_refsource_MISC"], "url": "https://github.com/parse-community/parse-server/pull/10195"}, {"name": "https://github.com/parse-community/parse-server/pull/10196", "tags": ["x_refsource_MISC"], "url": "https://github.com/parse-community/parse-server/pull/10196"}], "affected": [{"vendor": "parse-community", "product": "parse-server", "versions": [{"version": ">= 9.0.0, < 9.6.0-alpha.17", "status": "affected"}, {"version": "< 8.6.42", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-18T21:33:09.421Z"}, "descriptions": [{"lang": "en", "value": "Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.17 and 8.6.42, an authenticated user can overwrite server-generated session fields (`sessionToken`, `expiresAt`, `createdWith`) when creating a session object via `POST /classes/_Session`. This allows bypassing the server's session expiration policy by setting an arbitrary far-future expiration date. It also allows setting a predictable session token value. Starting in version 9.6.0-alpha.17 and 8.6.42, the session creation endpoint filters out server-generated fields from user-supplied data, preventing them from being overwritten. As a workaround, add a `beforeSave` trigger on the `_Session` class to validate and reject or strip any user-supplied values for `sessionToken`, `expiresAt`, and `createdWith`."}], "source": {"advisory": "GHSA-5v7g-9h8f-8pgg", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-20T17:10:52.061956Z", "id": "CVE-2026-32742", "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": "2026-03-20T18:11:49.441Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0,9.6.0-alpha.17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.6.42)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "parse-server", "source": "cna", "vendor": "parse-community"}, "product": "parse_server", "vendor": "parse_community"}], "analysis": {"en": {"generated_at": "2026-03-19T18:25:25.520265+00:00", "value": {"mitigation_remediation": ["Upgrade Parse Server to version 9.6.0\u2011alpha.17 or later (or 8.6.42 or later).", "Add a beforeSave trigger on the _Session class that validates and rejects or strips any user-supplied values for sessionToken, expiresAt, and createdWith."], "summary": {"action": "Immediate Patch", "impact": "Session Expiration Bypass"}, "threat_synthesis": {"affected_systems": "Affected product: parse-community:parse-server. Versions prior to 9.6.0-alpha.17 and 8.6.42 are vulnerable. The issue affects all releases listed in the CPE entries up to 9.6.0-alpha.16 and earlier 8.6.41 and below. System administrators should verify their installed version against the supplied CPE strings to determine exposure.", "description_and_impact": "Parse Server allows an authenticated user to overwrite server-generated session fields sessionToken, expiresAt and createdWith when creating a session via POST /classes/_Session. This vulnerability permits the attacker to set an arbitrary far-future expiration date, thereby bypassing the server's session expiration policy, and to assign a predictable session token value. The impact is a potential extension of session lifetime, which can undermine authentication controls and increase the window for session hijacking. This weakness is classified as CWE\u2011915: Improper Termination of Session.", "risk_and_exploitability": "The CVSS score is 4.3, indicating moderate severity. The EPSS score is less than 1%, and the vulnerability is not currently marked in CISA's KEV catalog. Exploitation requires an authenticated user with permission to create a session. The attacker must send a POST request to /classes/_Session including the fields sessionToken, expiresAt and createdWith. Because the API accepts these values when the server is running a vulnerable version, an attacker can easily bypass expiration controls and set a predictable token, which can be leveraged for prolonged unauthorized access. Administrative effort to mitigate is low, but if an attacker establishes a long-lived session, they could abuse the privileges associated with that session for an extended period."}}}}, "created": "2026-03-19T08:55:23.333165+00:00", "updated": "2026-03-25T11:52:05.828650+00:00", "vendors": ["parse_community", "parse_community$PRODUCT$parse_server"]}