CVE-2026-48115

Source
https://cve.org/CVERecord?id=CVE-2026-48115
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48115.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-48115
Aliases
  • GHSA-j49q-76hx-mv8f
Published
2026-08-03T21:21:59.281Z
Modified
2026-08-07T11:51:16.700323449Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Misskey: Improper Authorization in the Announcements API
Details

Misskey is an open source, federated social media platform. All Misskey servers running versions 2024.5.0 and later, but prior to 2026.5.4, contain a vulnerability in the Server Announcements API where insufficient permission checks allow attackers to access limited portions of data that they normally couldn't view. This vulnerability occurs whether or not federation is enabled. This issue has been fixed in version 2026.5.4.

Database specific
{
    "cwe_ids": [
        "CWE-285"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48115.json",
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/misskey-dev/misskey

Affected ranges

Type
GIT
Repo
https://github.com/misskey-dev/misskey
Events
Database specific
{
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "2024.5.0"
        },
        {
            "fixed": "2026.5.4"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48115.json"