EUVD-2026-75670
GHSA-x33j-9628-wvwc
Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
AC:H reflects the AT:P condition requiring user-controlled identifiers to reach GridFS unsanitized; PR:L for authenticated low-privilege requirement; I:H and A:H for potential full-bucket chunk deletion.
Primary rating from Vendor (mongodb).
CVSS VectorVendor: mongodb
Lifecycle Timeline
3DescriptionCVE.org
Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB C++ Driver can cause a caller-supplied structured file identifier to be interpreted as a query condition rather than as a literal identifier. An authenticated user who can influence the identifier passed by an affected application may obtain stored file content beyond the intended target or cause all GridFS file chunks in the affected bucket to be removed, rendering stored file content unreadable.
AnalysisAI
NoSQL injection (CWE-943) in the GridFS component of the MongoDB C++ Driver allows an authenticated low-privileged user who can influence file identifiers to read unauthorized stored file content or cause mass deletion of all GridFS chunks in an affected bucket, rendering stored data unreadable. The flaw arises because caller-supplied structured file identifiers are not neutralized before being evaluated as query conditions rather than literal values. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires all of the following: (1) the target application uses the MongoDB C++ Driver (mongocxx) with its GridFS API - other MongoDB drivers are not confirmed affected; (2) an authenticated user with at least low-level access (PR:L) can influence the file identifier value that the application passes to a GridFS operation, such as via an API parameter, form field, or request body; (3) the application does not enforce strict type checking on the identifier before passing it to the driver - specifically, it must allow structured objects rather than enforcing ObjectId or plain string types. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H) yields a score of 6.1, with the moderate score driven primarily by the AT:P (attack requirements present) condition - exploitation depends on a specific deployment pattern where user-controlled data flows into GridFS identifier parameters without type enforcement. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to apply the patched release of the MongoDB C++ Driver once available per MongoDB Jira CXX-3556 (https://jira.mongodb.org/browse/CXX-3556); however, no specific fixed version has been confirmed in available data at time of analysis - track that Jira ticket for the patched release version. … Detailed patch versions, workarounds, and compensating controls in full report. |
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