CVE-2026-94534

Summary

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.

Affected Software

Weaknesses

• CWE-639: CWE-639 Authorization Bypass Through User-Controlled Key

References

• https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-03-anyone-baseinfo-write-bola.py
• https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-06-anyone-avatar-write-bola.py
• 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
• 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
• https://github.com/dromara/lamp-cloud
• https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-unauthorized-profile-modification-via-put-endpoints

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