# CVE-2026-94534 — dromara lamp-cloud

> As of 2026-09-22, CVE-2026-94534 is a HIGH-severity vulnerability in dromara lamp-cloud, CVSS v3.1 7.1, EPSS 0.2% (19.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-94534 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-2026-94534?

lamp-cloud through 5.10.0 fails to validate user identity in PUT /anyone/baseInfo and PUT /anyone/avatar endpoints, allowing authenticated attackers to modify arbitrary user profiles. Attackers can supply target user IDs in request bodies to rewrite profile fields including nickname, ID card, sex, nation, education, work description, and avatar attachments of other users.

The record classifies CVE-2026-94534 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 19.2% 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-2026-94534 being exploited?

Weaponised exploit code for CVE-2026-94534 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-2026-94534.md) (trickest)

## Affected products and versions

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

## How to fix CVE-2026-94534

No vendor patch reference has been recorded for CVE-2026-94534 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-2026-94534

No threat campaign in the Threadlinqs corpus currently references CVE-2026-94534, 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-03-anyone-baseinfo-write-bola.py)
- [github.com — exploit (poc 06 anyone avatar write bola)](https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-06-anyone-avatar-write-bola.py)

**Technical analysis**

- [github.com — technical description](https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-oauth/lamp-oauth-controller/src/main/java/top/tangyh/lamp/oauth/controller/UserInfoController.java#L68-L78)
- [github.com — technical description (UserInfoController)](https://github.com/dromara/lamp-cloud/blob/bdc1a406eb0f6291e9f6dbad9cbccd67bc6a37b6/lamp-oauth/lamp-oauth-controller/src/main/java/top/tangyh/lamp/oauth/controller/UserInfoController.java#L128-L136)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-unauthorized-profile-modification-via-put-endpoints)

**Issue tracking and product pages**

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

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-94534
Full detection coverage and IOCs for threats exploiting CVE-2026-94534 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp