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.
5261 vulnerabilities reference this CWE, most recent first.
CVE-2026-92539 (GCVE-0-2026-92539)
Vulnerability from cvelistv5 – Published: 2026-10-20 16:55 – Updated: 2026-10-20 18:08
VLAI
EPSS
VEX
Title
Cross-organization user modification and deletion via the SCIM API in Grafana Enterprise
Summary
A service account with user-management permissions in one organization can read, modify, disable or delete users belonging to other organizations on the same Grafana instance through the SCIM API (insecure direct object reference). Only Grafana Enterprise instances with SCIM enabled are affected.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 17:22 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://grafana.com/security/security-advisories/… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Grafana | Grafana Enterprise |
Affected:
11.6.0 , ≤ 12.3.11
(semver)
Affected: 12.4.0 , < 12.4.13 (semver) Affected: 13.0.0 , < 13.0.11 (semver) Affected: 13.1.0 , < 13.1.8 (semver) Affected: 13.2.0 , < 13.2.4 (semver) |
Date Public
2026-10-13 10:21
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CVE-2026-92469 (GCVE-0-2026-92469)
Vulnerability from cvelistv5 – Published: 2026-09-16 13:16 – Updated: 2026-09-16 17:39
VLAI
EPSS
VEX
Title
microservices-platform through 6.0.0 Arbitrary File Deletion via Missing Ownership Check
Summary
zlt2000 microservices-platform through 6.0.0 contains an authorization bypass vulnerability in the file-center module DELETE /files/{id} endpoint that performs no ownership validation. Authenticated attackers can enumerate file identifiers via GET /files and delete arbitrary users' files and metadata by supplying their identifiers to the delete endpoint.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 17:38 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/zlt2000/microservices-platform… | technical-description |
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/zlt2000/microservices-platform | product |
| https://www.vulncheck.com/advisories/microservice… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zlt2000 | microservices-platform |
Affected:
0 , ≤ 6.0.0
(semver)
cpe:2.3:a:zlt2000:microservices-platform:*:*:*:*:*:*:*:* |
Date Public
2026-09-13 00:00
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CVE-2026-92468 (GCVE-0-2026-92468)
Vulnerability from cvelistv5 – Published: 2026-09-16 13:16 – Updated: 2026-09-18 17:48
VLAI
EPSS
VEX
Title
microservices-platform through 6.0.0 Arbitrary Elasticsearch Index Read via search-center
Summary
zlt2000 microservices-platform through 6.0.0 contains an authorization bypass vulnerability in the search-center service that allows authenticated attackers to read any Elasticsearch index by specifying the index name in POST /search/{indexName} and GET /agg/requestStat/{indexName}/{routing} path variables. Attackers can query arbitrary indices including sys_user to retrieve sensitive user records and password hashes without proper access controls.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 17:47 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/zlt2000/microservices-platform… | technical-description |
| https://github.com/zlt2000/microservices-platform… | technical-description |
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/zlt2000/microservices-platform | product |
| https://www.vulncheck.com/advisories/microservice… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zlt2000 | microservices-platform |
Affected:
0 , ≤ 6.0.0
(semver)
cpe:2.3:a:zlt2000:microservices-platform:*:*:*:*:*:*:*:* |
Date Public
2026-09-13 00:00
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CVE-2026-92419 (GCVE-0-2026-92419)
Vulnerability from cvelistv5 – Published: 2026-09-23 14:41 – Updated: 2026-09-23 15:20
VLAI
EPSS
VEX
Title
IDOR in WEBCON BPS
Summary
WEBCON BPS is vulnerable to Insecure Direct Object Reference (IDOR) in the /api/vacations/{path} endpoint. The selectedPeople parameter in the Gantt vacation chart API does not validate whether the requesting user is authorized to access the requested users' data. An authenticated attacker can supply arbitrary user logins in the selectedPeople parameter to view vacation schedules of other employees, including managers and staff from other offices, regardless of business logic access restrictions, resulting in unauthorized disclosure of sensitive scheduling information.This vulnerability was fixed in versions: 2025.2.1.177 and 2026.1.1.20
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:20 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WEBCON | WEBCON BPS |
Affected:
2024.1.1.145 , < 2025.2.1.177
(custom)
Affected: 2026.1.1.1 , < 2026.1.1.20 (custom) cpe:2.3:a:webcon:webcon_bps:*:*:*:*:*:*:*:* cpe:2.3:a:webcon:webcon_bps:*:*:*:*:*:*:*:* |
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CVE-2026-91993 (GCVE-0-2026-91993)
Vulnerability from cvelistv5 – Published: 2026-09-15 11:35 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
Jpom through 2.11.12 Workspace Isolation Bypass via /build/branch-list
Summary
Jpom through 2.11.12 fails to validate workspace ownership when resolving repositoryId on the /build/branch-list endpoint, allowing authenticated users to access repositories from other workspaces. Attackers can submit repository identifiers from different workspaces to enumerate repository existence, determine repository type, and execute git ls-remote commands using other workspaces' stored credentials.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:38 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/dromara/Jpom/issues/115 | issue-trackingexploit |
| https://github.com/dromara/Jpom/blob/v2.11.12/mod… | technical-description |
| https://github.com/dromara/Jpom | product |
| https://www.vulncheck.com/advisories/jpom-through… | third-party-advisory |
Date Public
2026-06-18 00:00
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CVE-2026-91984 (GCVE-0-2026-91984)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-17 19:27
VLAI
EPSS
VEX
Title
Vikunja before 2.6.0 Broken Object-Level Authorization via task-position
Summary
Vikunja before 2.6.0 fails to validate that user-supplied project_view_id in task-position requests belongs to the task's project. Authenticated attackers can insert task position rows into arbitrary other tenant project views via POST or PUT task-position endpoints.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 19:16 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/go-vikunja/vikunja/security/ad… | vendor-advisory |
| https://www.vulncheck.com/advisories/vikunja-befo… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| go-vikunja | vikunja |
Affected:
0 , < 2.6.0
(semver)
Unaffected: 2.6.0 (semver) cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:* |
Date Public
2026-08-31 00:00
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CVE-2026-91933 (GCVE-0-2026-91933)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:17 – Updated: 2026-09-17 19:28
VLAI
EPSS
VEX
Title
Flowise before 3.1.4 Authorization Bypass via openai-realtime
Summary
Flowise before 3.1.4 fails to enforce workspace-level authorization checks in openai-realtime endpoints, allowing authenticated users to access tools from ChatFlows in other workspaces by supplying an unscoped chatflowid. Attackers can invoke GET and POST requests to retrieve tool definitions and execute tools from victim workspaces, triggering external side effects and accessing sensitive tool outputs.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:57 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/flowise-befo… | third-party-advisory |
Impacted products
Date Public
2026-08-31 00:00
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CVE-2026-91846 (GCVE-0-2026-91846)
Vulnerability from cvelistv5 – Published: 2026-09-15 08:36 – Updated: 2026-09-15 13:50
VLAI
EPSS
VEX
Title
MISP Collection Element Add Missing Authorization on Referenced Object UUID
Summary
Affected versions of MISP allow a collection element to be created from a bare UUID without consistently checking whether the acting user is allowed to access the referenced object.
The commit explains that collection elements themselves only store UUIDs, while the collection view later resolves those UUIDs into their underlying objects. Before this fix, the generic add() path could therefore persist a UUID for an Event or Galaxy Cluster that the caller could not normally read. The patch explicitly notes that this made collections a way to reference another organisation’s private data and had caused disclosure of organisation-only events in the beta collection view.
The fix centralizes authorization in __assertCanUseElements(). Event UUIDs are validated through Event::fetchSimpleEvent() under the current user’s ACL, while Galaxy Cluster UUIDs are checked through GalaxyCluster::fetchGalaxyClusters(). The check is applied both to the CRUD add() path and to addElementToCollection().
Version affected: ≤2.5.45
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:41 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/334d53709 | patch |
GCVE extensions
AI-generated
Confidence: medium
Model
qwen3.8:27b
advisory
bcp-05-x-01bcp-05-x-02
Draft vulnerability metadata was generated from a git-format patch using an Ollama-hosted language model. Human validation is required before publication.
ai-computer-assisted:llm-generatedai-computer-assisted:classification
| Model | Source | Identifier |
|---|---|---|
| qwen3.8:27b | ollama | qwen3.8:27b |
- Generator
-
patch2vuln.pyon 2026-09-15 08:32 - Model
qwen3.8:27b- Input
-
https://github.com/MISP/MISP/commit/334d53709.patch
259d46cb7727… - Confidence
- medium
| Commit | Subject | Patch SHA-256 |
|---|---|---|
334d53709597
|
fix: [acl] Authorise the object a collection element points | 259d46cb7727… |
Fix summary
The fix introduces a dedicated __assertCanUseElements() authorization guard that is invoked in the beforeSave callback of the add() CRUD path (covering both form and REST submission) and in addElementToCollection(). For each element UUID, the method resolves the element type (deducing it if the caller omitted the field, preventing bypass by omission) and performs an ACL-aware lookup: for Events it calls fetchSimpleEvent() scoped to the current user, and for GalaxyClusters it calls fetchGalaxyClusters() with the user context. If the object does not exist or the caller lacks access, a NotFoundException is raised and the save is aborted. This ensures that no collection element can reference an object the caller is not authorized to read.
Patch summary
In app/Controller/CollectionElementsController.php, a new private method __assertCanUseElements() is added (approximately 45 lines) that iterates over normalized element UUIDs, deduces the element type when not explicitly supplied, and performs an ACL-scoped existence check via Event::fetchSimpleEvent() or GalaxyCluster::fetchGalaxyClusters(). The add() method's beforeSave closure is modified to call this guard before persisting the row. The addElementToCollection() method is refactored to replace its inline Event-only check with a call to the same __assertCanUseElements() helper, gaining GalaxyCluster coverage. Net change: 53 insertions, 12 deletions in one file.
CVSS rationale
AV:N: MISP is a network-accessible web application. AC:L: The attacker simply submits a UUID to the existing add endpoint; no race condition or complex bypass is needed. AT:N: No prior compromise or user interaction is required. PR:L: An authenticated MISP user with permission to manage collection elements is required. UI:N: No victim interaction is needed; the disclosure occurs when the attacker views their own collection. VC:L: The attacker gains read access to Events or GalaxyClusters belonging to other organizations or restricted scopes. VI:L: Unauthorized references are persisted in the collection, altering data integrity. VA:N: No availability impact. SC/SI/SA:N: No impact on adjacent systems.
Weakness rationale
- CWE-862 The add() method stored collection element UUIDs without performing any authorization check on the referenced object. The fix adds an explicit ACL verification step before persistence, confirming the original code lacked the required authorization control.
- CWE-639 The attacker-supplied UUID (a user-controlled key) was accepted and stored without verifying that the caller held a valid access grant for that specific object, allowing reference to objects outside the caller's authorized scope.
Assumptions to verify
- The affected version range is not explicitly stated in the patch; the tag boundary indicates the fix is 204 commits after v2.5.46, but the exact fixed release version is unconfirmed.
- PR:L assumes the attacker needs only a basic authenticated MISP account with collection-element management rights; if a higher privilege level is required, PR should be raised.
- The commit message references 'V17' as a related disclosure scenario; this is treated as internal context and not used to expand the affected scope.
- The deduceType() fallback path is assumed to be reachable by an attacker omitting the element_type field, which the patch explicitly guards against.
Model comparison
Selected qwen3.8:27b
by deterministic-consensus-v1
The selected result is closest to model consensus; this heuristic does not establish factual correctness and human review remains required.
| Model | Score | Agreement | Confidence | Assumptions |
|---|---|---|---|---|
qwen3.8:27b |
6 | 9 | medium | 4 |
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CVE-2026-91773 (GCVE-0-2026-91773)
Vulnerability from cvelistv5 – Published: 2026-09-15 01:20 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
Soft Serve 0.7.1 through 0.11.6 Information Disclosure via LFS Locks
Summary
Soft Serve versions 0.7.1 through 0.11.6 fail to scope Git LFS lock queries by repository, allowing authenticated users to read lock metadata from repositories they cannot access. Attackers with write access to any repository can enumerate lock IDs globally to recover locked file paths, usernames, and lock timestamps from private repositories.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 19:05 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/charmbracelet/soft-serve/secur… | vendor-advisory |
| https://github.com/charmbracelet/soft-serve/commi… | patch |
| https://github.com/charmbracelet/soft-serve/blob/… | technical-description |
| https://github.com/charmbracelet/soft-serve | product |
| https://www.vulncheck.com/advisories/soft-serve-0… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| charmbracelet | soft-serve |
Affected:
0.7.1 , < 0.12.0
(semver)
cpe:2.3:a:charm:soft_serve:*:*:*:*:*:*:*:* |
Date Public
2026-07-31 00:00
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CVE-2026-91770 (GCVE-0-2026-91770)
Vulnerability from cvelistv5 – Published: 2026-09-15 01:20 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
IceHRM before 36.0.0 Broken Access Control via Employee ID
Summary
IceHRM before 36.0.0 fails to validate employee ownership on seven REST sub-resource endpoints, allowing authenticated employees to read any colleague's HR records. Attackers can substitute arbitrary employee IDs in skill, education, certification, language, leave, attendance, and status endpoints to access sensitive personnel data.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 14:46 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/gamonoid/icehrm/issues/375 | issue-tracking |
| https://github.com/gamonoid/icehrm/commit/19674f2… | patch |
| https://github.com/gamonoid/icehrm/releases/tag/v36.0.0 | release-notes |
| https://github.com/gamonoid/icehrm/blob/e75ed7e45… | technical-description |
| https://github.com/gamonoid/icehrm | product |
| https://www.vulncheck.com/advisories/icehrm-befor… | third-party-advisory |
Impacted products
Date Public
2026-06-14 00:00
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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.