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CVE-2026-32851
medium
CVSS 6.1
Cross-Site Scripting (XSS) in mailenable (CVE-2026-32851)
Summary
cross-site scripting in mailenable (CVE-2026-32851). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-32851** has been found in mailenable.
Risk of unauthorized operations or information disclosure. CVSS score: 6.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "mailenable CVE-2026-32851" on the vendor's site.
CVE-2026-32851 (mailenable) — CWE-79 / CVSS v3 6.1
Attack vector: remote (network-reachable) / unauthenticated
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.
❓ What is the problem
**Cross-site scripting (XSS)** (CWE-79) exists in mailenable.
📍 Affected scope
mailenable — .
🔥 Severity
Severity: Medium (CVSS 6.1/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'mailenable' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'mailenable' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `mailenable` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://karmainsecurity.com/KIS-2026-05
- web https://mailenable.com/Standard-ReleaseNotes.txt
- web [email protected]
- web https://www.mailenable.com/rss/article.asp?Source=RSSADMIN&ID=MAILENABLEVERSION1055
- web https://www.vulncheck.com/advisories/mailenable-reflected-xss-via-freebusy-aspx-startdate-parameter
- web https://nvd.nist.gov/vuln/detail/CVE-2026-32851
- web https://www.mailenable.com
- web https://www.vulncheck.com/advisories/mailenable-reflected-xss-via-freebusy-aspx-attendees-parameter
- web https://github.com/advisories/GHSA-5fjm-c352-35cv