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CVE-2026-53839
medium
CVSS 6.5
Vulnerability in CVE-2026-53839 (CVE-2026-53839)
Summary
vulnerability in CVE-2026-53839 (CVE-2026-53839). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-53839** has been found in CVE-2026-53839.
Confidential information can be exposed externally. CVSS score: 6.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2026-53839 CVE-2026-53839" on the vendor's site.
CVE-2026-53839 (CVE-2026-53839) — CWE-1023 / CVSS v3 6.5
Attack vector: remote (network-reachable) / no user interaction
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-1023) exists in CVE-2026-53839.
📍 Affected scope
CVE-2026-53839 — .
🔥 Severity
Severity: Medium (CVSS 6.5/10). Confidential information can be exposed externally
🔧 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. Audit SBOM/dependencies 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
Audit SBOM/dependencies for affected components.依存マニフェストで影響コンポーネントを特定する。
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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。
References
- web https://github.com/openclaw/openclaw/security/advisories/GHSA-77q5-rr5v-x43q
- web https://www.vulncheck.com/advisories/openclaw-hostname-prefix-matching-bypass-in-trusted-retry-endpoint-validation
- web https://nvd.nist.gov/vuln/detail/CVE-2026-53839
- web https://github.com/advisories/GHSA-wcpv-6hg7-mfcc