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CVE-2026-109301— Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 Denial of Service via File Pointer Without URL

Quick assessment

Affected

parse-community parse-server

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Parse Server 8.6.95 之前的版本以及 9.0.0 至 9.10.2-alpha.3（不含）之间的版本中，系统在将对象传递给 Cloud Code 触发器（Cloud Code triggers）和 LiveQuery 之前，未能正确处理缺少 URL 的文件引用。这会导致一个未捕获的异常，从而终止进程。如果攻击者能够向启用了 Cloud Code 的 save、find 或 delete 触发器或 LiveQuery 的类中写入数据（包括在允许公共写入或允许用户注册时未认证的用户），即可导致服

CVSS 5.9 · Medium EPSS 0.35% · P27 Updated Oct 13, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service

Affected Version Matrix 4

Vendor	Product	Version Range	Status
parse-community	parse-server	`9.0.0< 9.10.2-alpha.3`	affected
		`9.10.2-alpha.3`	unaffected
		`< 8.6.95`	affected
		`8.6.95`	unaffected

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Vulnerability Information

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Vulnerability Title

Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 Denial of Service via File Pointer Without URL

Source: CVE Program / CVE List V5

Vulnerability Description

Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 does not resolve file references lacking a URL before passing objects to Cloud Code triggers and LiveQuery, causing an uncaught exception that terminates the process. Attackers able to write to a class with Cloud Code save, find, or delete triggers or LiveQuery enabled, including unauthenticated users when public write access or sign-up is allowed, can crash the server or break subsequent requests.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

未捕获的异常

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
parse-community	parse-server	9.0.0 ~ 9.10.2-alpha.3	-
parse-community	parse-server	0 ~ 8.6.95	-

II. Public POCs for CVE-2026-109301

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-109301

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Vendor Advisories for CVE-2026-109301 (2)

https://www.cve.org/CVERecord?id=CVE-2026-109301

Same Patch Batch · parse-community · 2026-10-12 · 3 CVEs total

CVE-2026-109303	4.3 MEDIUM	Parse Server before 8.6.93 and 9.0.0 before 9.10.1-alpha.13 protectedFields Bypass via Rel
CVE-2026-109302	3.7 LOW	Parse Server 8.2.2 before 8.6.94 and 9.0.0 before 9.10.1-alpha.14 GraphQL Schema Disclosur

IV. Related Vulnerabilities

Same product: parse-server

Same vendor: parse-community

Same weakness: CWE-248

V. Comments for CVE-2026-109301

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-109301— Parse Server before 8.6.95 and 9.0.0 before 9.10.2-alpha.3 Denial of Service via File Pointer Without URL

Quick assessment

Possible ATT&CK Techniques 2 AI

Affected Version Matrix 4

I. Basic Information for CVE-2026-109301

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-109301

III. Intelligence Information for CVE-2026-109301

Vendor Advisories for CVE-2026-109301 (2)

Same Patch Batch · parse-community · 2026-10-12 · 3 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-109301

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