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OSV-2026-750
Vulnerability in wolfmqtt (OSV-2026-750)
Summary
vulnerability in wolfmqtt (OSV-2026-750). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `e1f13765dac64438f4f802532a33153ccb8a74d4` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **OSV-2026-750** has been found in wolfmqtt.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade wolfmqtt to **e1f13765dac64438f4f802532a33153ccb8a74d4** or later.
If unsure, ask your IT team or search "wolfmqtt OSV-2026-750" on the vendor's site.
OSV-2026-750 (wolfmqtt) —
Patched: `e1f13765dac64438f4f802532a33153ccb8a74d4` — 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** (unclassified) exists in wolfmqtt.
📍 Affected scope
wolfmqtt — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **e1f13765dac64438f4f802532a33153ccb8a74d4**.
🛡️ 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 'wolfmqtt' .` 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 'wolfmqtt' . | 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 `wolfmqtt` 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 wolfmqtt to e1f13765dac64438f4f802532a33153ccb8a74d4ステージング環境で e1f13765dac64438f4f802532a33153ccb8a74d4 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
OSS-Fuzz
wolfmqtt
[{"repo":"https:\/\/github.com\/wolfSSL\/wolfMQTT.git","type":"GIT","events":[{"introduced":"d7ac40ba2e1fb3d37590dcbca2aca2b9f142a6d2"},{"fixed":"e1f13765dac64438f4f802532a33153ccb8a74d4"}]}]