{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-34363", "tracking": { "current_release_date": "2026-04-02T18:32:27.827439Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-34363", "initial_release_date": "2026-03-30T19:15:12.268336Z", "revision_history": [ { "date": "2026-03-30T19:15:12.268336Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-03-30T19:15:31.118389Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-31T15:27:04.871187Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)." }, { "date": "2026-03-31T15:27:07.752166Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-31T15:39:28.256019Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| References created (5).| CWES updated (1)." }, { "date": "2026-03-31T15:39:30.476770Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-31T19:39:00.554968Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-31T19:55:18.657869Z", "number": "8", "summary": "References created (1)." }, { "date": "2026-04-01T15:12:56.720758Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-01T15:13:02.154598Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-04-02T18:25:52.826618Z", "number": "11", "summary": "CVSS created.| Products created (1).| Product Identifiers created (10).| Products connected (9)." }, { "date": "2026-04-02T18:25:54.554067Z", "number": "12", "summary": "NCSC Score updated." } ], "status": "interim", "version": "12" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha1", "product": { "name": "vers:unknown/9.7.0-alpha1", "product_id": "CSAFPID-5982838", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha1:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha2", "product": { "name": "vers:unknown/9.7.0-alpha2", "product_id": "CSAFPID-5982839", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha2:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha3", "product": { "name": "vers:unknown/9.7.0-alpha3", "product_id": "CSAFPID-5982840", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha3:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha4", "product": { "name": "vers:unknown/9.7.0-alpha4", "product_id": "CSAFPID-5982841", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha4:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha5", "product": { "name": "vers:unknown/9.7.0-alpha5", "product_id": "CSAFPID-5982842", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha5:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha6", "product": { "name": "vers:unknown/9.7.0-alpha6", "product_id": "CSAFPID-5982843", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha6:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha7", "product": { "name": "vers:unknown/9.7.0-alpha7", "product_id": "CSAFPID-5982844", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha7:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/9.7.0-alpha8", "product": { "name": "vers:unknown/9.7.0-alpha8", "product_id": "CSAFPID-5985076", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:9.7.0:alpha8:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/<8.6.65", "product": { "name": "vers:unknown/<8.6.65", "product_id": "CSAFPID-5985133", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=9.0.0|<9.7.0", "product": { "name": "vers:unknown/>=9.0.0|<9.7.0", "product_id": "CSAFPID-5982837", "product_identification_helper": { "cpe": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*" } } } ], "category": "product_name", "name": "parse-server" } ], "category": "vendor", "name": "Parse Platform" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<8.6.65", "product": { "name": "vers:unknown/<8.6.65", "product_id": "CSAFPID-5968909" } }, { "category": "product_version_range", "name": "vers:unknown/>=9.0.0|<9.7.0-alpha.9", "product": { "name": "vers:unknown/>=9.0.0|<9.7.0-alpha.9", "product_id": "CSAFPID-5968910" } } ], "category": "product_name", "name": "parse-server" } ], "category": "vendor", "name": "parse-community" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-34363", "cwe": { "id": "CWE-362", "name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')" }, "notes": [ { "category": "description", "text": "### Impact\n\nWhen multiple clients subscribe to the same class via LiveQuery, the event handlers process each subscriber concurrently using shared mutable objects. The sensitive data filter modifies these shared objects in-place, so when one subscriber's filter removes a protected field, subsequent subscribers may receive the already-filtered object. This can cause protected fields and authentication data to leak to clients that should not see them, or cause clients that should see the data to receive an incomplete object.\n\nAdditionally, when an afterEvent Cloud Code trigger is registered, one subscriber's trigger modifications can leak to other subscribers through the same shared mutable state.\n\nAny Parse Server deployment using LiveQuery with protected fields or afterEvent triggers is affected when multiple clients subscribe to the same class.\n\n### Patches\n\nThe fix deep-clones the shared objects at the start of each subscriber's processing callback, ensuring each subscriber works on an independent copy. Additionally, a bug was fixed where master key LiveQuery clients could not receive events on classes with protected fields due to an incorrect type passed to the sensitive data filter.\n\n### Workarounds\n\nThere is no known workaround.\n\n### Resources\n\n- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-m983-v2ff-wq65\n- Fix Parse Server 9: https://github.com/parse-community/parse-server/pull/10330\n- Fix Parse Server 8: https://github.com/parse-community/parse-server/pull/10331", "title": "github - https://api.github.com/advisories/GHSA-m983-v2ff-wq65" }, { "category": "description", "text": "Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.65 and 9.7.0-alpha.9, when multiple clients subscribe to the same class via LiveQuery, the event handlers process each subscriber concurrently using shared mutable objects. The sensitive data filter modifies these shared objects in-place, so when one subscriber's filter removes a protected field, subsequent subscribers may receive the already-filtered object. This can cause protected fields and authentication data to leak to clients that should not see them, or cause clients that should see the data to receive an incomplete object. Additionally, when an afterEvent Cloud Code trigger is registered, one subscriber's trigger modifications can leak to other subscribers through the same shared mutable state. Any Parse Server deployment using LiveQuery with protected fields or afterEvent triggers is affected when multiple clients subscribe to the same class. This issue has been patched in versions 8.6.65 and 9.7.0-alpha.9.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-34363" }, { "category": "description", "text": "Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.65 and 9.7.0-alpha.9, when multiple clients subscribe to the same class via LiveQuery, the event handlers process each subscriber concurrently using shared mutable objects. The sensitive data filter modifies these shared objects in-place, so when one subscriber's filter removes a protected field, subsequent subscribers may receive the already-filtered object. This can cause protected fields and authentication data to leak to clients that should not see them, or cause clients that should see the data to receive an incomplete object. Additionally, when an afterEvent Cloud Code trigger is registered, one subscriber's trigger modifications can leak to other subscribers through the same shared mutable state. Any Parse Server deployment using LiveQuery with protected fields or afterEvent triggers is affected when multiple clients subscribe to the same class. This issue has been patched in versions 8.6.65 and 9.7.0-alpha.9.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/34xxx/CVE-2026-34363.json" }, { "category": "other", "text": "0.00085", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "8.2", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.3", "title": "NCSC Score" }, { "category": "other", "text": "Is related to an uncommon product vendor, Is related to (a version of) an uncommon product, The value of the most recent EPSS score", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5968909", "CSAFPID-5968910", "CSAFPID-5982837", "CSAFPID-5982838", "CSAFPID-5982839", "CSAFPID-5982840", "CSAFPID-5982841", "CSAFPID-5982842", "CSAFPID-5982843", "CSAFPID-5982844", "CSAFPID-5985076", "CSAFPID-5985133" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-m983-v2ff-wq65" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-34363" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/34xxx/CVE-2026-34363.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-m983-v2ff-wq65" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/parse-community/parse-server/pull/10330" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/parse-community/parse-server/pull/10331" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/parse-community/parse-server/commit/5834e29234593addaa0251a85f572ad4f376320b" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd", "url": "https://github.com/parse-community/parse-server/commit/776c71c3078e77d38c94937f463741793609d055" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-m983-v2ff-wq65" }, { "category": "external", "summary": "Reference - github", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34363" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5968909", "CSAFPID-5968910", "CSAFPID-5982837", "CSAFPID-5982838", "CSAFPID-5982839", "CSAFPID-5982840", "CSAFPID-5982841", "CSAFPID-5982842", "CSAFPID-5982843", "CSAFPID-5982844", "CSAFPID-5985076", "CSAFPID-5985133" ] } ], "title": "CVE-2026-34363" } ] }