# CVE-2026-94535 — dromara lamp-cloud

> As of 2026-09-22, CVE-2026-94535 is a HIGH-severity vulnerability in dromara lamp-cloud, CVSS v3.1 7.1, EPSS 0.2% (18.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-94535 as of 2026-09-22; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-22

## What is CVE-2026-94535?

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.

The record classifies CVE-2026-94535 under weakness class [CWE-639](https://intel.threadlinqs.com/cwe/CWE-639). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 14 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.1 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L`)
- **CVSS v4.0 base score:** 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 18.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-21, last modified 2026-09-22

## Is CVE-2026-94535 being exploited?

Weaponised exploit code for CVE-2026-94535 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 42 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2026/CVE-2026-94535.md) (trickest)

## Affected products and versions

- [dromara](https://intel.threadlinqs.com/vendors/dromara): lamp-cloud

## How to fix CVE-2026-94535

No vendor patch reference has been recorded for CVE-2026-94535 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-94535

No threat campaign in the Threadlinqs corpus currently references CVE-2026-94535, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, public proof-of-concept repositories, FIRST EPSS. Last verified by Threadlinqs on 2026-09-23.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-04-anyone-notice-delete-bola.py)

**Technical analysis**

- [github.com — technical description](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)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-unauthorized-notification-deletion)

**Issue tracking and product pages**

- [github.com — product](https://github.com/dromara/lamp-cloud)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-94535
Full detection coverage and IOCs for threats exploiting CVE-2026-94535 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp