CVE-2026-108856

MediumCVSS 4.2/10Last modified Oct 16, 2026

Description

UnicomAI Wanwu through 0.6.5 contains an authorization bypass vulnerability that allows authenticated users to mint AppKeys bound to other users' MCP servers via POST /v1/appspace/app/key. Attackers supplying a victim's MCP server UUID with appType mcpserver can open MCP sessions and invoke the server's tools using the victim's upstream authentication.

Metrics

CVSS 3.1 4.2/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-639

Affected software

No affected versions have been published.

Timeline

Published: Oct 11, 2026
Last modified: Oct 16, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-1088573.3Hugging Face Text Embeddings Inference through 1.9.4 contains a cleartext logging vulnerability that exposes the configured api_key because CVE-2026-1088585.5Predibase LoRAX through 0.12.1 contains a sensitive information exposure vulnerability that writes the caller-supplied api_token from POST /CVE-2026-1088597.5mcp-go through 1.2.1 contains a denial of service vulnerability in StreamableHTTPServer.ServeHTTP that allows remote unauthenticated attacke CVE-2026-108869.6Use after free in FileSystem in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a CVE-2026-1088609.1BotSharp through 5.2.0 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to forge bearer tokens u CVE-2026-1088614.3Odoo MCP 1.0.0 through 1.3.2 contains an information disclosure vulnerability that allows MCP clients to bypass the field-level ACL by invok CVE-2026-1088625.3APIPark through 1.9.7-beta contains an insecure direct object reference vulnerability that allows authenticated users to read other applicat CVE-2026-1088637.5Katanemo Plano through 0.4.37 contains a missing authentication vulnerability that allows unauthenticated network attackers to access the En CVE-2026-1088644.2iFlytek Astron Agent through 1.1.2 contains an insecure direct object reference vulnerability that allows authenticated applications to resu CVE-2026-1088658.2AmoyLab Unla through 0.10.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid access tok CVE-2026-1088664.3JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows authenticated users to read any account's permissions via CVE-2026-1088674.3JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SystemApiController getUserRoleSetById handler that allows any