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CVE-2026-88028— Unauthorized document disclosure via query-operator injection in polymorphic relation identifiers in MongoDB integration for Laravel

Quick assessment

Affected
MongoDB Laravel MongoDB (PHP)
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.

Laravel 的 MongoDB 集成中，在多态关系处理的数据查询逻辑中，对特殊元素的中和处理不当，可能导致由调用方提供（caller-supplied）的关系标识符被解释为查询条件，而不是作为字面量标识符。如果经过身份验证的用户能够影响已存储的关系标识符，则可能导致受影响的 application 返回非预期关系目标之外的文档。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1003 · OS Credential Dumping

Affected Version Matrix 1

VendorProduct Version RangeStatus
MongoDB Laravel MongoDB (PHP) 1.2.0< 5.11.0 affected
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I. Basic Information for CVE-2026-88028

Vulnerability Information
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Vulnerability Title
Unauthorized document disclosure via query-operator injection in polymorphic relation identifiers in MongoDB integration for Laravel
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of special elements in data query logic in the polymorphic relation handling of the MongoDB integration for Laravel can cause a caller-supplied relation identifier to be interpreted as a query condition rather than as a literal identifier. An authenticated user who can influence a stored relation identifier may cause an affected application to return a document other than the intended relation target.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MongoDB Laravel MongoDB (PHP) 1.2.0 ~ 5.11.0 -

II. Public POCs for CVE-2026-88028

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III. Intelligence Information for CVE-2026-88028

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Vendor Pages for CVE-2026-88028 (1)

Same Patch Batch · MongoDB · 2026-09-10 · 15 CVEs total

CVE-2026-88024 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88023 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88025 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88030 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88029 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88034 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88033 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88036 8.3 HIGH GridFS data disclosure and deletion via query-operator injection in file IDs in the MongoD
CVE-2026-88031 8.1 HIGH GridFS data deletion via query-operator injection in file IDs in the MongoDB Go Driver
CVE-2026-88022 7.7 HIGH Unauthorized document disclosure and deletion via query-operator injection in explicit equ
CVE-2026-88027 7.1 HIGH Mass deletion and overwrite of embedded documents via query-operator injection in embedded
CVE-2026-88026 6.5 MEDIUM Regular expression injection via unescaped characters in LINQ query translation in MongoDB
CVE-2026-88032 5.9 MEDIUM Application denial of service via cancellation race in reactive client-side encryption in
CVE-2026-88035 4.7 MEDIUM Heap buffer overflow via wrapped size check during SASL username canonicalization in Mongo

IV. Related Vulnerabilities

Same product: Laravel MongoDB (PHP)
Same vendor: MongoDB
Same weakness: CWE-943

V. Comments for CVE-2026-88028

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