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CVE-2026-6860
medium
CVSS 5.3
Vulnerability in io.vertx:vertx-core (CVE-2026-6860)
Summary
vulnerability in io.vertx:vertx-core (CVE-2026-6860). Risk of unauthorized operations or information disclosure. Exploitable via ``SslContext``. Mitigation: upgrade to `5.0.12` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-6860** has been found in io.vertx:vertx-core.
Attackers can target a specific entry point like ``SslContext`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: upgrade io.vertx:vertx-core to **5.0.12** or later.
If unsure, ask your IT team or search "io.vertx:vertx-core CVE-2026-6860" on the vendor's site.
CVE-2026-6860 (io.vertx:vertx-core) — CWE-295 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `SslContext` / `SSLHelper` / `SslChannelProvider` / `master`
Patched: `5.0.12` — 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.
❓ What is the problem
**A vulnerability** (CWE-295) exists in io.vertx:vertx-core. Attackers reach the vulnerable code path via ``SslContext`` without authentication.
📍 Affected scope
io.vertx:vertx-core — . Attack surface: `SslContext` / `SSLHelper` / `SslChannelProvider` / `master`.
🔥 Severity
Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **5.0.12**.
🛡️ 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 'io.vertx:vertx-core' .` 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 'io.vertx:vertx-core' . | 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 `io.vertx:vertx-core` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade io.vertx:vertx-core to 5.0.12ステージング環境で 5.0.12 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
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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。
Affected packages
maven
io.vertx:vertx-core
[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.0.12"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-6860
- package https://github.com/eclipse-vertx/vert.x
- web https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6
- web https://github.com/eclipse-vertx/vert.x/pull/6102
- web https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381
- web https://github.com/advisories/GHSA-3g76-f9xq-8vp6
- web https://github.com/vert-x3/wiki/wiki/4.5.27-Release-Notes
- web https://vertx.io/blog/eclipse-vert-x-4-5-27
- web https://vertx.io/blog/eclipse-vert-x-5-0-12