CVE-2026-108856

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Source
https://cve.org/CVERecord?id=CVE-2026-108856
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108856.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-108856
Published
2026-10-11T13:26:04Z
Modified
2026-10-14T02:46:59Z
Severity
  • 2.3 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
UnicomAI Wanwu through 0.6.5 Authorization Bypass via /v1/appspace/app/key AppKey Minting
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-639"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108856.json"
}
References

Affected packages

Git / github.com/unicomai/wanwu

Affected ranges

Type
GIT
Repo
https://github.com/unicomai/wanwu
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4d4b150e9fe517cbb0a303d74ad0b74c5b1e81b9
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "0.6.5"
        },
        {
            "fixed":  "0.6.5"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

v0.*
v0.1.0
v0.1.2
v0.1.3
v0.1.3-dc97f77
v0.1.5
v0.1.7
v0.1.8
v0.2.0
v0.2.1
v0.2.2
v0.2.3
v0.2.4
v0.2.5
v0.2.6
v0.2.7
v0.2.8
v0.2.9
v0.3.0
v0.3.1
v0.3.2
v0.3.3
v0.3.4
v0.3.5
v0.3.6
v0.3.7
v0.4.0
v0.4.1
v0.4.2
v0.4.3
v0.4.5
v0.5.0
v0.5.1
v0.5.10
v0.5.2
v0.5.3
v0.5.4
v0.5.5
v0.5.6
v0.5.7
v0.5.8
v0.5.9
v0.6.0
v0.6.1
v0.6.2
v0.6.3
v0.6.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108856.json"