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.
2788 vulnerabilities reference this CWE, most recent first.
CVE-2026-109176 (GCVE-0-2026-109176)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-26 16:46
VLAI
EPSS
VEX
Title
MoguBlog through 6.2 IDOR Allows Deleting Other Administrators' Network-Disk Files
Summary
MoguBlog through 6.2 contains an insecure direct object reference vulnerability that allows authenticated administrators to delete other administrators' files via POST /networkDisk/deleteFile and batchDeleteFile. Attackers can supply another administrator's file or folder uid, which NetworkDiskServiceImpl.deleteFile never checks against admin_uid, removing stored objects from local storage, Qiniu or MinIO.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:31 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://www.vulncheck.com/advisories/mogublog-thr… | third-party-advisory |
Impacted products
Date Public
2026-10-10 00:00
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CVE-2026-109175 (GCVE-0-2026-109175)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-13 18:44
VLAI
EPSS
VEX
Title
MoguBlog through 6.2 Broken Access Control via /networkDisk/getFileList
Summary
MoguBlog through 6.2 contains an insecure direct object reference vulnerability that allows authenticated administrators to list other administrators' network-disk files via POST /networkDisk/getFileList. Attackers can query the endpoint, which filters only by status, file type, or filePath and never by admin_uid, to obtain other administrators' file names and download URLs.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:43 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://www.vulncheck.com/advisories/mogublog-thr… | third-party-advisory |
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Date Public
2026-10-10 00:00
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CVE-2026-109168 (GCVE-0-2026-109168)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-13 18:37
VLAI
EPSS
VEX
Title
lamp-cloud through 5.10.1 IDOR via /anyone/appendix/listFileByBizId
Summary
lamp-cloud through 5.10.1 contains an insecure direct object reference vulnerability that allows authenticated users to list other business objects' file attachments by supplying an arbitrary bizId to the listFileByBizId endpoint. Attackers can retrieve file names, storage paths, MD5 hashes and stored URLs, which in default LOCAL storage are served without login under /anyTenant/file.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 18:37 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/dromara/lamp-cloud/blob/d61184… | technical-description |
| https://www.vulncheck.com/advisories/lamp-cloud-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dromara | lamp-cloud |
Affected:
0 , ≤ 5.10.1
(custom)
cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:* |
Date Public
2026-10-10 00:00
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CVE-2026-109167 (GCVE-0-2026-109167)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-14 15:59
VLAI
EPSS
VEX
Title
TDuck survey form through 6.0 Authorization Bypass via User-Controlled Theme ID in POST /user/form/theme/save
Summary
TDuck survey form through 6.0 contains an insecure direct object reference vulnerability in the saveFormTheme handler that allows authenticated users to overwrite other users' form themes. Attackers whose form has no theme can submit another form's sequential theme id with their own formKey, replacing its colours and image URLs and removing the victim's theme.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 15:51 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/TDuckCloud/tduck-survey-form/b… | technical-description |
| https://www.vulncheck.com/advisories/tduck-survey… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TDuckCloud | tduck-survey-form |
Affected:
0 , ≤ 6.0
(custom)
|
Date Public
2026-10-10 00:00
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CVE-2026-109166 (GCVE-0-2026-109166)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-13 15:01
VLAI
EPSS
VEX
Title
lamp-cloud through 5.10.1 IDOR via /anyone/file/findUrlById
Summary
lamp-cloud through 5.10.1 contains an insecure direct object reference vulnerability that allows authenticated users to obtain storage URLs for other users' files by supplying arbitrary file ids. Attackers can send another user's file ids to the findUrlById handler of FileAnyoneController, which never checks ownership, to retrieve access URLs and read uploaded attachments.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:00 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/dromara/lamp-cloud/blob/d61184… | technical-description |
| https://github.com/dromara/lamp-cloud/blob/d61184… | technical-description |
| https://www.vulncheck.com/advisories/lamp-cloud-t… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dromara | lamp-cloud |
Affected:
0 , ≤ 5.10.1
(custom)
cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:* |
Date Public
2026-10-10 00:00
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CVE-2026-109165 (GCVE-0-2026-109165)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-14 17:41
VLAI
EPSS
VEX
Title
TDuck survey form through 6.0 Authorization Bypass via User-Controlled Form Key in POST /user/form/item/batch/create
Summary
TDuck survey form through 6.0 contains a broken access control vulnerability that allows authenticated users to add fields to other users' forms via POST /user/form/item/batch/create. Attackers can submit an array whose first element references their own form and later elements reference a victim's formKey, injecting attacker-chosen fields onto the victim's public fill page.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 17:41 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/TDuckCloud/tduck-survey-form/b… | technical-description |
| https://www.vulncheck.com/advisories/tduck-survey… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TDuckCloud | tduck-survey-form |
Affected:
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Date Public
2026-10-10 00:00
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CVE-2026-109164 (GCVE-0-2026-109164)
Vulnerability from cvelistv5 – Published: 2026-10-12 13:10 – Updated: 2026-10-26 16:46
VLAI
EPSS
VEX
Title
TDuck survey form through 6.0 Authorization Bypass via User-Controlled Submission IDs in POST /user/form/data/delete/{formKey}
Summary
TDuck survey form through 6.0 contains an insecure direct object reference vulnerability that allows authenticated users to delete other users' form submissions by supplying arbitrary submission ids. Attackers can place their own formKey in the path and iterate sequential submission ids in the request body to permanently delete submissions platform-wide.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:31 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/AnkesKasty/cve-request-poc/blo… | exploit |
| https://github.com/TDuckCloud/tduck-survey-form/b… | technical-description |
| https://github.com/TDuckCloud/tduck-survey-form/b… | technical-description |
| https://www.vulncheck.com/advisories/tduck-survey… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TDuckCloud | tduck-survey-form |
Affected:
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Date Public
2026-10-10 00:00
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CVE-2026-109142 (GCVE-0-2026-109142)
Vulnerability from cvelistv5 – Published: 2026-11-02 15:42 – Updated: 2026-11-02 16:10
VLAI
EPSS
VEX
Title
Krill treats a "local parent" as already-authenticated, letting a CA operator act as any child of any CA on the same server
Summary
When a CA's parent lives on the same Krill server: instead of building and verifying a signed CMS message, it runs the RFC 6492 provisioning exchange in-process and trusts the child identity (child_handle) that the caller put in the parent contact. Nothing checks that this child identity actually belongs to the CA making the request.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 16:10 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
NLnet Labs
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/krill/CVE-2026… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Krill |
Unaffected:
0.16.1 , < *
(semver)
|
Date Public
2026-11-02 00:00
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CVE-2026-109141 (GCVE-0-2026-109141)
Vulnerability from cvelistv5 – Published: 2026-11-02 15:42 – Updated: 2026-11-02 16:11
VLAI
EPSS
VEX
Title
Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import
Summary
The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-02 16:11 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
NLnet Labs
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/krill/CVE-2026… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Krill |
Unaffected:
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|
Date Public
2026-11-02 00:00
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CVE-2026-109129 (GCVE-0-2026-109129)
Vulnerability from cvelistv5 – Published: 2026-11-05 13:38 – Updated: 2026-11-10 16:28
VLAI
EPSS
VEX
Title
Apache OFBiz: Authorization Bypass Through User-Controlled Key in OrderServices Enables Unauthorized Payment Preference Modification
Summary
Authorization Bypass Through User-Controlled Key in the Order Manager component in Apache OFBiz 24.09.07 on all platforms allows an authenticated user with only view-level order permissions to modify or create OrderPaymentPreference records belonging to orders outside their authorized scope via the updateOrderPaymentPreference service, by supplying an orderPaymentPreferenceId belonging to a different order.
Users are recommended to upgrade to version 24.09.08, which fixes this issue.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-10 16:28 UTC
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
apache
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/7b2syzksp7kl… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache OFBiz |
Affected:
0 , < 24.09.08
(semver)
|
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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.