Common Weakness Enumeration

CWE-915

Allowed

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The product receives input from an upstream component that specifies multiple attributes, properties, or fields that are to be initialized or updated in an object, but it does not properly control which attributes can be modified.

275 vulnerabilities reference this CWE, most recent first.

CVE-2026-46480 (GCVE-0-2026-46480)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:32 – Updated: 2026-06-08 16:17
VLAI
Title
Flowise: Evaluator create+update mass-assignment allows cross-workspace evaluator takeover
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, evaluator create and update mass-assignment allows cross-workspace evaluator takeover. This issue has been patched in version 3.1.2.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46479 (GCVE-0-2026-46479)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:32 – Updated: 2026-06-08 15:50
VLAI
Title
Flowise: Evaluation create+update mass-assignment allows cross-workspace evaluation takeover
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, evaluation create and update mass-assignment allows cross-workspace evaluation takeover. This issue has been patched in version 3.1.2.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46478 (GCVE-0-2026-46478)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:31 – Updated: 2026-06-09 15:33
VLAI
Title
Flowise: DatasetRow create+update mass-assignment allows cross-workspace row takeover
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, DatasetRow create and update mass-assignment allows cross-workspace row takeover. This issue has been patched in version 3.1.2.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46477 (GCVE-0-2026-46477)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:31 – Updated: 2026-06-09 14:35
VLAI
Title
Flowise: Dataset create+update mass-assignment allows cross-workspace dataset takeover
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, dataset create and update mass-assignment allows cross-workspace dataset takeover. This issue has been patched in version 3.1.2.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46476 (GCVE-0-2026-46476)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:31 – Updated: 2026-06-08 16:27
VLAI
Title
Flowise: CustomTemplate create+update mass-assignment allows cross-workspace template takeover
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, CustomTemplate create and update mass-assignment allows cross-workspace template takeover. This issue has been patched in version 3.1.2.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-46475 (GCVE-0-2026-46475)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:31 – Updated: 2026-06-08 16:20
VLAI
Title
Flowise: Assistant create+update mass-assignment allows cross-workspace assistant takeover
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, assistant create and update mass-assignment allows cross-workspace assistant takeover. This issue has been patched in version 3.1.2.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
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CVE-2026-46441 (GCVE-0-2026-46441)

Vulnerability from cvelistv5 – Published: 2026-06-08 15:30 – Updated: 2026-06-08 16:28
VLAI
Title
Flowise: Mass Assignment in Assistant Update Endpoint Allows Cross-Workspace Resource Reassignment
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, a mass assignment vulnerability exists in the assistant update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating an assistant resource. Due to missing server-side validation and authorization checks, an attacker can manipulate the workspaceId field and reassign assistants to arbitrary workspaces. This breaks tenant isolation in multi-workspace environments. This issue has been patched in version 3.1.2.
Severity
7.6 (High)
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-284 - Improper Access Control
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.2
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Show details on NVD website
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CVE-2026-45687 (GCVE-0-2026-45687)

Vulnerability from cvelistv5 – Published: 2026-06-24 20:55 – Updated: 2026-06-26 18:43
VLAI
Title
Rocket.Chat: Authenticated Arbitrary Data Export Theft via Mass Assignment in sendFileMessage
Summary
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11, Rocket.Chat's sendFileMessage DDP method passes the entire attacker-supplied file object into Uploads.updateFileComplete, which merges it directly into a MongoDB $set update via Object.assign. There is no allow-list of writable fields. An attacker can therefore rewrite any column on their own upload record, notably store and the store-specific path fields. This vulnerability is fixed in 8.5.0, 8.4.1, 8.3.3, 8.2.3, 8.1.4, 8.0.5, 7.13.7, and 7.10.11.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
RocketChat Rocket.Chat Affected: >= 8.5.0-rc.0, < 8.5.0
Affected: >= 8.4.0-rc.0, < 8.4.1
Affected: >= 8.3.0-rc.0, < 8.3.3
Affected: >= 8.2.0-rc.0, < 8.2.3
Affected: >= 8.1.0-rc.0, < 8.1.4
Affected: >= 8.0.0-rc.0, < 8.0.5
Affected: >= 7.11.0-rc.0, < 7.13.7
Affected: < 7.10.11
Create a notification for this product.
Show details on NVD website
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CVE-2026-45396 (GCVE-0-2026-45396)

Vulnerability from cvelistv5 – Published: 2026-05-15 20:33 – Updated: 2026-05-15 22:21
VLAI
Title
Open WebUI: Mass Assignment via FeedbackForm extra=allow Allows Feedback User ID Spoofing and Evaluation Data Manipulation
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the POST /api/v1/evaluations/feedback endpoint in Open WebUI v0.9.2 is vulnerable to mass assignment via FeedbackForm, which uses model_config = ConfigDict(extra='allow'). Due to an insecure dictionary merge order in insert_new_feedback(), an authenticated attacker can inject a user_id field in the request body that overwrites the server-derived value, creating feedback records attributed to any arbitrary user. This corrupts the model evaluation leaderboard (Elo ratings) and enables identity spoofing. This vulnerability is fixed in 0.9.5.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.5
Create a notification for this product.
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CVE-2026-45229 (GCVE-0-2026-45229)

Vulnerability from cvelistv5 – Published: 2026-05-13 19:54 – Updated: 2026-07-14 20:01 X_Open Source
VLAI
Title
Quark Drive (quark-auto-save) < 0.8.5 Mass Assignment via POST /update
Summary
Quark Drive before 0.8.5 contains a mass assignment vulnerability in the POST /update endpoint that allows authenticated attackers to overwrite administrator credentials by posting an arbitrary webui object to the config_data dictionary. Attackers can exploit insufficient deny-list filtering to permanently replace stored login credentials, lock out legitimate administrators, and gain persistent access to all configured tasks, cloud tokens, and notification services.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Assigner
References
Impacted products
Vendor Product Version
Cp0204 quark-auto-save Affected: 0 , < 0.8.5 (semver)
Unaffected: ea8377a596446291953dbe36e2d119d85bcd865b (git)
Create a notification for this product.
Date Public
2026-04-15 00:00
Credits
Katriel Moses
Show details on NVD website
To clipboard 

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Mitigation
Implementation
  • If available, use features of the language or framework that allow specification of allowlists of attributes or fields that are allowed to be modified. If possible, prefer allowlists over denylists.
  • For applications written with Ruby on Rails, use the attr_accessible (allowlist) or attr_protected (denylist) macros in each class that may be used in mass assignment.
Mitigation
Architecture and Design Implementation

If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.

Mitigation
Implementation

Strategy: Input Validation

For any externally-influenced input, check the input against an allowlist of internal object attributes or fields that are allowed to be modified.

Mitigation
Implementation Architecture and Design

Strategy: Refactoring

Refactor the code so that object attributes or fields do not need to be dynamically identified, and only expose getter/setter functionality for the intended attributes.

No CAPEC attack patterns related to this CWE.

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