CVE-2026-56402

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Source

https://cve.org/CVERecord?id=CVE-2026-56402

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56402.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-56402

Published

2026-06-23T15:34:05Z

Modified

2026-10-21T02:58:42Z

Severity

7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

NanoClaw < 2.1.17 - Privilege Escalation via Unverified Approval Response Handler

Details

NanoClaw before 2.1.17 contains a privilege escalation vulnerability in the handleApprovalsResponse function that fails to verify responder role authorization. Attackers with a valid questionId can approve or reject privileged actions like package installation by submitting approval response payloads without proper role validation.

Database specific

{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-862"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56402.json"
}

References

Affected packages

Git / github.com/nanocoai/nanoclaw

Affected ranges

Type

GIT

Repo

https://github.com/nanocoai/nanoclaw

Events

Introduced

Fixed

ee7f891698760f21b9e79a850d64c7f633cd95ef

Fixed

6227bd1a5b016fb1eb76411bb6681b4c924a51a0

Database specific

Show details

{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "2.1.17"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "fixed":  "6227bd1a5b016fb1eb76411bb6681b4c924a51a0"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

v1.*

v1.1.6

v1.2.0

v2.*

v2.0.54

v2.0.63

v2.0.64

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56402.json"