How should we interpret CVSS severity scores?

CVSS estimates technical severity, but it does not automatically equal business risk. Prioritize using context like internet exposure, asset criticality, known exploitation, and whether compensating controls exist. A Medium CVSS on an exposed production system can be more urgent than a Critical on an isolated non-production host.

Vulnerability Database

Q: What is a Vulnerability (CVE) and why does it matter?

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

Q: What's the difference between a vulnerability, an exploit, and a zero-day?

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. Risk increases sharply when exploitation becomes reliable or widespread.

Q: Why do vulnerabilities keep reappearing in our environment?

Recurring findings usually come from incomplete asset discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host.

Q: How do we prioritize remediation without burning out the team?

Use a repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress so remediation is steady, not reactive.

Q: How can SynScan help reduce vulnerability risk over time?

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.

359,603

Total vulnerabilities in the database

CVE-2026-54077 — com.arcadedb / arcadedb-engine

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Impact

The SQL IMPORT DATABASE statement did not require administrative privileges and passed its source URL to the importer without validation. Any authenticated user with SQL command access (not only root/administrators) could therefore:

Server-Side Request Forgery (CWE-918): cause the server to issue HTTP(S) requests to arbitrary destinations, including cloud metadata endpoints (e.g. 169.254.169.254) and internal-only services, and ingest the responses as queryable records.
Arbitrary local file read (CWE-22): read local files reachable by the server process (e.g. /etc/passwd, credential files) by importing file:// paths, exposing their contents as records.

The server administration endpoint (/api/v1/server) was already restricted to the root user and was not affected; the exposure was through the database SQL command/query endpoints (/api/v1/command, /api/v1/query).

A related lower-severity hardening gap (CWE-776): the XML importer did not disable DTD processing, leaving entity-expansion (Billion Laughs) possible.

Affected component

integration/src/main/java/com/arcadedb/integration/importer/SourceDiscovery.java (no host allow-list for http(s); no path validation for file://), reached from engine/.../query/sql/parser/ImportDatabaseStatement.java.

Patches

IMPORT DATABASE now requires the administrative updateSecurity permission (no-op in embedded mode).
Import sources are validated in SourceDiscovery: HTTP(S) hosts resolving to loopback / link-local / private (site-local) / wildcard / multicast addresses are blocked by default (arcadedb.server.security.importBlockLocalNetworks, default true), and an optional local-path allow-list (arcadedb.server.security.importAllowedLocalPaths) restricts file:// reads.
The XML importer now disables DTD processing and external entities.

Fixed in commit referenced by pull request #4422.

Workarounds

Restrict SQL command/query access to trusted administrative users; do not grant query access to untrusted users on servers that can reach sensitive networks or hold sensitive local files. Upgrading is strongly recommended.

Credit

Reported by Bin Luo ([email protected]).

Published: Jul 16, 2026
Updated: Jul 17, 2026
CVE: CVE-2026-54077
GHSA: GHSA-8w86-m9h8-hvqg
Severity: High
Exploit:
CISA KEV:

CVSS v3:

Severity: High
Score: 7.1
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

CWEs:

OWASP TOP 10:

Affected Software
References

Software	From	Fixed in
com.arcadedb / arcadedb-engine	-	26.6.1

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Frequently Asked Questions

What is a Vulnerability (CVE) and why does it matter?

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.