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.
lamp-cloud through 5.10.0 Unauthorized Profile Modification via PUT endpoints
Problem type
Affected products
dromara
<= 5.10.0 - AFFECTED
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
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-94534Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-94534",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"dateUpdated": "2026-09-21T21:28:13.569Z",
"dateReserved": "2026-09-21T18:25:18.522Z",
"datePublished": "2026-09-21T21:28:13.569Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck",
"dateUpdated": "2026-09-21T21:28:13.569Z"
},
"datePublic": "2026-09-19T00:00:00.000Z",
"title": "lamp-cloud through 5.10.0 Unauthorized Profile Modification via PUT endpoints",
"descriptions": [
{
"lang": "en",
"value": "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": [
{
"vendor": "dromara",
"product": "lamp-cloud",
"repo": "https://github.com/dromara/lamp-cloud",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"status": "affected",
"versionType": "custom",
"lessThanOrEqual": "5.10.0"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"cweId": "CWE-639",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-03-anyone-baseinfo-write-bola.py",
"name": "Proof of concept, profile overwrite",
"tags": [
"exploit"
]
},
{
"url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/lamp/poc-06-anyone-avatar-write-bola.py",
"name": "Proof of concept, avatar overwrite",
"tags": [
"exploit"
]
},
{
"url": "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",
"name": "Vulnerable code, avatar",
"tags": [
"technical-description"
]
},
{
"url": "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",
"name": "Vulnerable code, baseInfo",
"tags": [
"technical-description"
]
},
{
"url": "https://github.com/dromara/lamp-cloud",
"tags": [
"product"
]
},
{
"url": "https://www.vulncheck.com/advisories/lamp-cloud-through-5.10.0-unauthorized-profile-modification-via-put-endpoints",
"name": "VulnCheck Advisory: lamp-cloud through 5.10.0 Unauthorized Profile Modification via PUT endpoints",
"tags": [
"third-party-advisory"
]
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "LOW",
"baseScore": 7.1,
"baseSeverity": "HIGH"
}
},
{}
],
"credits": [
{
"lang": "en",
"value": "Mingsheng Lin",
"type": "finder"
}
]
}
}
}