CVE-2026-94535: CWE-639 Authorization Bypass Through User-Controlled Key in dromara lamp-cloud
lamp-cloud versions up to and including 5.10.0 have an authorization bypass vulnerability in the deleteMyNotice endpoint. Authenticated users can exploit this flaw to delete notifications belonging to other users by sending DELETE requests with arbitrary notice IDs. This occurs because the endpoint does not properly validate the recipient of the notification before deletion.
AI Analysis
Technical Summary
CVE-2026-94535 is an authorization bypass vulnerability in dromara lamp-cloud affecting versions up to 5.10.0. The flaw exists in the deleteMyNotice endpoint, which allows authenticated users to delete notifications of other users without proper recipient validation. Attackers can call the DELETE /anyone/extendNotice/deleteMyNotice endpoint with arbitrary notice IDs to remove notifications they do not own. This vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key).
Potential Impact
Exploitation of this vulnerability allows an authenticated user to delete notifications belonging to other users, impacting the integrity of user data. The CVSS score of 7.1 indicates a high severity with no confidentiality impact, but high integrity impact and low availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the deleteMyNotice endpoint to trusted users only and monitor for suspicious deletion activity. Implement additional access control checks on the server side to validate ownership of notifications before allowing deletion.
CVE-2026-94535: CWE-639 Authorization Bypass Through User-Controlled Key in dromara lamp-cloud
Description
lamp-cloud versions up to and including 5.10.0 have an authorization bypass vulnerability in the deleteMyNotice endpoint. Authenticated users can exploit this flaw to delete notifications belonging to other users by sending DELETE requests with arbitrary notice IDs. This occurs because the endpoint does not properly validate the recipient of the notification before deletion.
CVSS v3.1
Score 7.1high
Affected software
dromara
lamp-cloud
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-94535 is an authorization bypass vulnerability in dromara lamp-cloud affecting versions up to 5.10.0. The flaw exists in the deleteMyNotice endpoint, which allows authenticated users to delete notifications of other users without proper recipient validation. Attackers can call the DELETE /anyone/extendNotice/deleteMyNotice endpoint with arbitrary notice IDs to remove notifications they do not own. This vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key).
Potential Impact
Exploitation of this vulnerability allows an authenticated user to delete notifications belonging to other users, impacting the integrity of user data. The CVSS score of 7.1 indicates a high severity with no confidentiality impact, but high integrity impact and low availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the deleteMyNotice endpoint to trusted users only and monitor for suspicious deletion activity. Implement additional access control checks on the server side to validate ownership of notifications before allowing deletion.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-21T18:25:19.024Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab1abba55bf5e2cf58b4676
Added to database: 09/21/2026, 22:12:10 UTC
Last enriched: 09/21/2026, 22:13:26 UTC
Last updated: 09/22/2026, 00:48:35 UTC
Views: 6
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