Vulnerability in Maono Link (CVE-2026-77827)
Summary
Vulnerability in Maono Link (CVE-2026-77827). Confidential information can be exposed externally. Mitigation: upgrade to 4.0.80 or later.
Original description
The description as published by the source.
Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\ProgramData\Maono'. Fixed in 4.0.80.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-77827 has been found in Maono Link.
Confidential information can be exposed externally. CVSS score: 7.1/10.
What to do: upgrade Maono Link to 4.0.80 or later.
If unsure, ask your IT team or search "Maono Link CVE-2026-77827" on the vendor's site.
CVE-2026-77827 (Maono Link) — CWE-428 / CVSS v3 7.1
Attack vector: local / no user interaction
Patched: 4.0.80 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-428) exists in Maono Link.
Check the vendor advisory for the affected versions of Maono Link.
Severity: High (CVSS 7.1/10). Confidential information can be exposed externally.
Update to 4.0.80.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Maono Link を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade Maono Link to 4.0.80ステージング環境で 4.0.80 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web raw.githubusercontent.com
- web cve.org
- web maono.com
- web nvd.nist.gov
- web github.com