Common Weakness Enumeration
CWE-639
AllowedAuthorization Bypass Through User-Controlled Key
Abstraction: Base · Status: Incomplete
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
3201 vulnerabilities reference this CWE, most recent first.
CVE-2026-42515 (GCVE-0-2026-42515)
Vulnerability from cvelistv5 – Published: 2026-04-29 08:22 – Updated: 2026-04-29 12:22
VLAI
EPSS
VEX
Title
Insecure Direct Object Reference (IDOR) Vulnerability in e-Sushrut HMIS
Summary
This vulnerability exists in e-Sushrut due to improper access control in resource access validation. An authenticated attacker could exploit this vulnerability by manipulating parameter in the API request URL to gain unauthorized access to sensitive information of patients on the targeted system.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cert-in.org.in/s2cMainServlet?pageid=… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CDAC-Noida | e-Sushrut, Hospital Management Information System (HMIS) |
Affected:
Previous versions
(custom)
|
Credits
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CVE-2026-42463 (GCVE-0-2026-42463)
Vulnerability from cvelistv5 – Published: 2026-05-13 21:26 – Updated: 2026-05-14 13:40
VLAI
EPSS
VEX
Title
SQLBot: Unauthorized Access Vulnerability
Summary
SQLBot is an intelligent Text-to-SQL system based on large language models and RAG. Prior to 1.8.0, SQLBot contains a Cross-Workspace IDOR (Insecure Direct Object Reference) and Authorization Bypass vulnerability in the /api/v1/datasource/exportDsSchema and /api/v1/datasource/uploadDsSchema endpoints. An attacker can access and modify database schemas and data sources belonging to other tenants/workspaces. This vulnerability is fixed in 1.8.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/dataease/SQLBot/security/advis… | x_refsource_CONFIRM |
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CVE-2026-42456 (GCVE-0-2026-42456)
Vulnerability from cvelistv5 – Published: 2026-05-08 23:01 – Updated: 2026-05-11 15:54
VLAI
EPSS
VEX
Title
AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)
Summary
AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace because the route validates workspace membership but does not enforce ownership of the targeted chat row. As a result, an authenticated user can access another user's private assistant response in audio form if the chatId is known or guessed. This constitutes an insecure direct object reference (IDOR) affecting private chat response content exposed through the TTS endpoint. This issue has been patched in version 1.12.1.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Mintplex-Labs/anything-llm/sec… | x_refsource_CONFIRM |
| https://github.com/Mintplex-Labs/anything-llm/com… | x_refsource_MISC |
| https://github.com/Mintplex-Labs/anything-llm/rel… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mintplex-Labs | anything-llm |
Affected:
< 1.12.1
|
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CVE-2026-42291 (GCVE-0-2026-42291)
Vulnerability from cvelistv5 – Published: 2026-05-08 21:57 – Updated: 2026-05-11 14:27
VLAI
EPSS
VEX
Title
SysReptor: Read-write access to personal notes by sharing-link creation with no authorization in SysReptor Professional
Summary
SysReptor is a fully customizable pentest reporting platform. From version 2026.4 to before version 2026.27, the endpoints for reading and creating sharing links for personal notes is not properly authorized. This allows authenticated attackers who obtain the note ID of victim users to list and create sharing links to those users' personal notes. This gives attackers read and write access to notes of other users. This exploit works in both SysReptor Professional and Community. In Community it has, however, no impact because all users have superuser permissions and can list personal notes of other users at /admin/pentests/usernotebookpage/. This issue has been patched in version 2026.27.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Syslifters/sysreptor/security/… | x_refsource_CONFIRM |
| https://github.com/Syslifters/sysreptor/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Syslifters | sysreptor |
Affected:
>= 2026.4, < 2026.27
|
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CVE-2026-42279 (GCVE-0-2026-42279)
Vulnerability from cvelistv5 – Published: 2026-05-08 03:57 – Updated: 2026-05-08 10:38
VLAI
EPSS
VEX
Title
solidtime: Time entry update endpoint allows cross-organization modification of a known time-entry UUID
Summary
solidtime is an open-source time-tracking app. In version 0.12.0, the PUT /api/v1/organizations/{organization}/time-entries/{timeEntry} API accepts a route-bound timeEntry from another organization when the caller has time-entries:update:all in the URL organization, allowing a known foreign time-entry UUID to be modified and rebound to objects in the caller's organization. This issue has been patched in version 0.12.1.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
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| https://github.com/solidtime-io/solidtime/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| solidtime-io | solidtime |
Affected:
= 0.12.0
|
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CVE-2026-42278 (GCVE-0-2026-42278)
Vulnerability from cvelistv5 – Published: 2026-05-08 03:55 – Updated: 2026-05-08 23:16
VLAI
EPSS
VEX
Title
UltraDAG: Smart Account Spending Policy Bypass via Pockets
Summary
UltraDAG is a minimal DAG-BFT blockchain in Rust. Prior to commit fb6ef59, the UltraDAG StateEngine implementation of SmartTransferTx contains a critical logic flaw in its policy enforcement pipeline. When a transaction originates from a "Pocket" (a derived sub-address documented in the protocol as a way to organize funds), the engine fails to resolve the pocket's parent account before checking the spending policy. Because pockets are "virtual" addresses that exist only as entries in the pocket_to_parent map and do not have their own SmartAccountConfig entries, the check_spending_policy method defaults to an "authorized/no policy" result. This allow any user (or attacker in possession of a parent key) to instantly drain every pocket on an account, even if the parent account has a strict 24-hour vault delay or a 1 UDAG daily limit. This issue has been patched via commit fb6ef59.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/UltraDAGcom/core/security/advi… | x_refsource_CONFIRM |
| https://github.com/UltraDAGcom/core/commit/fb6ef5… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| UltraDAGcom | core |
Affected:
< fb6ef59d6c1385400e7acea7ae31fc6a473c3051
|
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CVE-2026-42277 (GCVE-0-2026-42277)
Vulnerability from cvelistv5 – Published: 2026-05-08 03:51 – Updated: 2026-05-08 21:28
VLAI
EPSS
VEX
Title
Onyx: IDOR in /chat/file/{file_id} allows any authenticated user to download other users files
Summary
Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the GET /chat/file/{file_id} endpoint allows any authenticated user to download any other user's uploaded files by providing the file UUID. The endpoint verifies the caller is authenticated but never checks that the file belongs to them. An attacker who knows or obtains a file UUID can access confidential documents, chat attachments, and other files uploaded by any user in the system. This issue has been patched in versions 3.0.9, 3.1.6, and 3.2.6.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/onyx-dot-app/onyx/security/adv… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| onyx-dot-app | onyx |
Affected:
< 3.0.9
Affected: >= 3.1.0, < 3.1.6 Affected: >= 3.2.0, < 3.2.6 |
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CVE-2026-42276 (GCVE-0-2026-42276)
Vulnerability from cvelistv5 – Published: 2026-05-08 03:49 – Updated: 2026-05-08 12:57
VLAI
EPSS
VEX
Title
Onyx: IDOR in /chat/stop-chat-session allows any authenticated user to interrupt other users chat sessions
Summary
Onyx is an open-source AI platform. Prior to versions 3.0.9, 3.1.6, and 3.2.6, the POST /chat/stop-chat-session/{chat_session_id} endpoint lets any authenticated user stop any other user's active chat session. The endpoint checks authentication but never verifies the session belongs to the caller. An attacker who knows a chat session UUID can kill another user's LLM generation mid-stream. This issue has been patched in versions 3.0.9, 3.1.6, and 3.2.6.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/onyx-dot-app/onyx/security/adv… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| onyx-dot-app | onyx |
Affected:
< 3.0.9
Affected: >= 3.1.0, < 3.1.6 Affected: >= 3.2.0, < 3.2.6 |
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CVE-2026-42227 (GCVE-0-2026-42227)
Vulnerability from cvelistv5 – Published: 2026-05-04 18:26 – Updated: 2026-05-05 14:14
VLAI
EPSS
VEX
Title
n8n: Public API Variables IDOR Allows Cross-Project Secret Disclosure
Summary
n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with a valid API key scoped to variable:list could read variables from projects they are not a member of by supplying an arbitrary projectId query parameter to the public API variables endpoint. The handler queried the variables repository directly without enforcing project membership checks, bypassing the authorization-aware service layer used by the internal enterprise controller. If variables were misused to store sensitive information such as credentials or tokens, they should be rotated immediately. This issue only affects licensed enterprise or team deployments with multiple projects and the variables feature enabled. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/n8n-io/n8n/security/advisories… | x_refsource_CONFIRM |
Impacted products
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"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "n8n",
"vendor": "n8n-io",
"versions": [
{
"status": "affected",
"version": "\u003c 1.123.32"
},
{
"status": "affected",
"version": "\u003e= 2.17.0, \u003c 2.17.4"
},
{
"status": "affected",
"version": "\u003e= 2.18.0, \u003c 2.18.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an authenticated user with a valid API key scoped to variable:list could read variables from projects they are not a member of by supplying an arbitrary projectId query parameter to the public API variables endpoint. The handler queried the variables repository directly without enforcing project membership checks, bypassing the authorization-aware service layer used by the internal enterprise controller. If variables were misused to store sensitive information such as credentials or tokens, they should be rotated immediately. This issue only affects licensed enterprise or team deployments with multiple projects and the variables feature enabled. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 6,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-04T18:26:18.419Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"references": [
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"name": "https://github.com/n8n-io/n8n/security/advisories/GHSA-756q-gq9h-fp22",
"tags": [
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],
"url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-756q-gq9h-fp22"
}
],
"source": {
"advisory": "GHSA-756q-gq9h-fp22",
"discovery": "UNKNOWN"
},
"title": "n8n: Public API Variables IDOR Allows Cross-Project Secret Disclosure"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-42227",
"datePublished": "2026-05-04T18:26:18.419Z",
"dateReserved": "2026-04-25T05:37:12.117Z",
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CVE-2026-42205 (GCVE-0-2026-42205)
Vulnerability from cvelistv5 – Published: 2026-05-08 21:26 – Updated: 2026-05-12 18:31
VLAI
EPSS
VEX
Title
Avo: Broken Access Control: Unauthorized Execution of Arbitrary Action Classes Across Resources
Summary
Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class (descendants of Avo::BaseAction) on any resource, even if the action is not registered for that specific resource. This leads to Privilege Escalation and unauthorized data manipulation across the entire application. This issue has been patched in version 3.31.2.
Severity
8.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/avo-hq/avo/security/advisories… | x_refsource_CONFIRM |
| https://github.com/avo-hq/avo/releases/tag/v3.31.2 | x_refsource_MISC |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-42205",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-12T12:51:27.597964Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-05-12T18:31:59.049Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/avo-hq/avo/security/advisories/GHSA-qc5p-3mg5-9fh8"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "avo",
"vendor": "avo-hq",
"versions": [
{
"status": "affected",
"version": "\u003c 3.31.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class (descendants of Avo::BaseAction) on any resource, even if the action is not registered for that specific resource. This leads to Privilege Escalation and unauthorized data manipulation across the entire application. This issue has been patched in version 3.31.2."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284: Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-08T21:26:44.743Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/avo-hq/avo/security/advisories/GHSA-qc5p-3mg5-9fh8",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/avo-hq/avo/security/advisories/GHSA-qc5p-3mg5-9fh8"
},
{
"name": "https://github.com/avo-hq/avo/releases/tag/v3.31.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/avo-hq/avo/releases/tag/v3.31.2"
}
],
"source": {
"advisory": "GHSA-qc5p-3mg5-9fh8",
"discovery": "UNKNOWN"
},
"title": "Avo: Broken Access Control: Unauthorized Execution of Arbitrary Action Classes Across Resources"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-42205",
"datePublished": "2026-05-08T21:26:44.743Z",
"dateReserved": "2026-04-25T05:04:37.027Z",
"dateUpdated": "2026-05-12T18:31:59.049Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Mitigation
Architecture and Design
Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Mitigation
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
No CAPEC attack patterns related to this CWE.