EUVD-2026-75637
GHSA-x6mc-fgjf-77r7
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
Network-accessible via affected app, low complexity once data-flow condition is met, authenticated low-priv user required, no scope change; I:H and A:H reflect rename-wrong-file and delete-all-chunks impacts.
Primary rating from Vendor (mongodb).
CVSS VectorVendor: mongodb
Lifecycle Timeline
1DescriptionCVE.org
Improper neutralization of special elements in data query logic in the GridFS component of the MongoDB PHP Library 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. The affected rename operation may also rename a stored file other than the intended target.
AnalysisAI
NoSQL injection (CWE-943) in the MongoDB PHP Library's GridFS component allows a low-privileged authenticated user who can influence the file identifier parameter to achieve three distinct impacts: reading file content beyond the intended target, deleting all GridFS file chunks within a bucket (rendering stored files unrecoverable), or renaming an unintended file. The CVSS 4.0 vector (AT:P) confirms exploitation depends on the target application routing attacker-influenced input directly into GridFS operations without sanitization. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires: (1) an authenticated account with at least low-privilege access to the target application (PR:L), (2) the application must pass attacker-influenced input directly to GridFS operations - specifically to a filename, file ID, or other identifier parameter - without coercing it to a scalar type, and (3) the application must use the MongoDB PHP Library's GridFS component (not plain MongoDB collection operations). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 6.1 reflects a moderate-severity issue: VI:H and VA:H are the dominant signals, indicating high integrity and availability impacts respectively, while VC:L captures a limited confidentiality leak. … 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 | Upgrade to the patched version of the MongoDB PHP Library once released per PHPLIB-1929 (https://jira.mongodb.org/browse/PHPLIB-1929); an exact fixed release version is not confirmed from available input data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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