High severity · published Sep 21, 2026
CVE-2026-94535
lamp-cloud through 5.10.0 Unauthorized Notification Deletion
7.1
CVSS
0.5%
EPSS
No
On KEV
Description
lamp-cloud through 5.10.0 contains an authorization bypass vulnerability in the deleteMyNotice endpoint that allows authenticated users to delete other users' notifications. Attackers can call the DELETE /anyone/extendNotice/deleteMyNotice endpoint with arbitrary notice IDs to permanently remove notifications belonging to other users without recipient validation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LA
lamp-cloud · dromara
through 5.10.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-94535
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-94535
github.com
https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-04-anyone-notice-delete-bola.py
github.com
https://github.com/dromara/lamp-cloud
github.com
https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-base/lamp-base-biz/src/main/java/top/tangyh/lamp/msg/service/impl/ExtendNoticeServiceImpl.java#L45-L63
www.vulncheck.com
https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-unauthorized-notification-deletion
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