OS Command Injection in com.arcadedb:arcadedb-engine (CVE-2026-67340)
Summary
OS command injection in com.arcadedb:arcadedb-engine (CVE-2026-67340). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 26.7.2 or later.
Original description
The description as published by the source.
ScriptTriggerExecutor sets allowedPackages to java.lang., java.util., java.time., java.math. (ScriptTriggerExecutor.java:56); trigger creation is gated only at UPDATE_SCHEMA (LocalSchema.createTrigger:636). Permitting java.lang.* host-class lookup lets a trigger script do Java.type("java.lang.Runtime").getRuntime().exec(...) (or ProcessBuilder). The reflection denylist does not block Java.type host lookups, and allowCreateProcess(false) only restricts GraalVM's guest process API, not a host Runtime.exec reached through HostAccess.ALL.
Exploit: a user with UPDATE_SCHEMA (schema admin, strictly less than security admin) runs CREATE TRIGGER ... EXECUTE JAVASCRIPT '' and obtains OS RCE when the trigger fires.
Fix: remove java.lang.* (and narrow the rest) from the trigger allow-list; if host interop is needed, expose an explicit @HostAccess.Export API surface instead of whole packages; consider gating trigger creation at UPDATE_SECURITY. Prefer an allow-list (HostAccess.EXPLICIT) over the current denylist-over-HostAccess.ALL.
Related medium/low items to fold into the fix: IMPORT DATABASE SSRF via unfollowed-redirect re-validation (SourceDiscovery.java:113), BACKUP/EXPORT DATABASE missing authorization (BackupDatabaseStatement.java:56, ExportDatabaseStatement.java:52), chunked-transfer body-size DoS bypass (HttpServer.java:301,318-333), and no brute-force lockout on password auth (ServerSecurity.java:189-205).
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-2026-67340 has been found in com.arcadedb:arcadedb-engine.
Successful exploitation can lead to full system takeover. CVSS score: 7.2/10.
What to do: upgrade com.arcadedb:arcadedb-engine to 26.7.2 or later.
If unsure, ask your IT team or search "com.arcadedb:arcadedb-engine CVE-2026-67340" on the vendor's site.
CVE-2026-67340 (com.arcadedb:arcadedb-engine) — CWE-78 / CVSS v3 7.2
Attack vector: remote (network-reachable) / no user interaction
Patched: 26.7.2 — 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.
OS command injection (CWE-78) exists in com.arcadedb:arcadedb-engine.
Check the vendor advisory for the affected versions of com.arcadedb:arcadedb-engine.
Severity: High (CVSS 7.2/10). Successful exploitation can lead to full system takeover.
Update to 26.7.2.
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 com.arcadedb:arcadedb-engine 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 com.arcadedb:arcadedb-engine to 26.7.2ステージング環境で 26.7.2 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。
Affected packages
References
- package github.com
- web github.com
- web disclosure@vulncheck.com
- web nvd.nist.gov
- web github.com
- web github.com