EUVD-2026-84208
GHSA-fp33-7f49-fwpm
Severity by source
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Any authenticated user (PR:L) can remotely and reliably (AV:N/AC:L) overwrite other users' profile fields (I:H); endpoints only write so C:N, and there is no genuine availability loss so A:N (I lower the input's A:L).
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
5DescriptionCVE.org
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.
Articles & Coverage 1
AnalysisAI
Authenticated profile tampering in dromara lamp-cloud through 5.10.0 lets any logged-in user overwrite other users' profile records - nickname, ID card, sex, nation, education, work description and avatar attachment - by supplying a victim's user ID in the body of a PUT request to /anyone/baseInfo or /anyone/avatar. The root cause is a broken object-level authorization (BOLA/IDOR, CWE-639) in the lamp-oauth UserInfoController, which takes the target identity from attacker-controlled request data instead of the authenticated session; exploitation requires only a low-privilege account (CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N, no user interaction) and is scored 7.1 with impact confined to integrity. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid authenticated (low-privilege) account on the target lamp-cloud instance (PR:L); no special or non-default configuration is needed since the flaw exists in the default /anyone/baseInfo and /anyone/avatar PUT endpoints of the lamp-oauth UserInfoController. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L = 7.1) describes a network-reachable, low-complexity flaw requiring only low-privilege authentication and no user interaction - consistent with a broken object-level authorization (BOLA/IDOR) bug where any logged-in user rewrites other users' profiles. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch is identified in the available data for CVE-2026-94534, so remediation must begin with compensating controls. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all deployments of dromara lamp-cloud and identify any running version 5.10.0 or earlier; review access logs for PUT requests to /anyone/baseInfo and /anyone/avatar to detect tampering attempts, and immediately restrict or disable those endpoints if operationally feasible. …
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External POC / Exploit Code
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