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.

362,176

Total vulnerabilities in the database

CVE-2026-54628 — github.com/julien040/anyquery

Improper Access Control

Summary

Anyquery's server mode does not restrict outbound HTTP requests initiated by its built-in SQLite virtual table modules (e.g., json_reader, log_reader). Unauthenticated attackers connecting to the MySQL-compatible server port can create virtual tables pointing to internal network endpoints or Cloud Metadata IPs (e.g., http://169.254.169.254/latest/meta-data/). This allows attackers to perform Server-Side Request Forgery (SSRF), bypassing external firewalls to scan internal ports and exfiltrate cloud credentials.

Details

When Anyquery is launched in Server Mode (anyquery server), it binds to a TCP port and accepts MySQL protocol connections. The server handler allows the creation of dynamic virtual tables using modules like json_reader or log_reader, which internally use go-getter to fetch URLs. There is no protection mechanism to prevent fetches to local (127.0.0.0/8), private (10.0.0.0/8), or special (169.254.169.254) IP addresses.

An attacker can use this to map internal networks, interact with internal APIs, or steal IAM tokens from cloud metadata servers by fetching the data and reading it as a database table.

PoC (Proof of Concept)

Start the server on the victim machine (e.g., an AWS EC2 instance): anyquery server --host 0.0.0.0 --port 8070
Connect from an attacker machine: mysql -u root -h <VICTIM_IP> -P 8070
Execute the payload to fetch AWS Metadata or hit a local API: -- Payload 1: Fetch AWS Cloud Metadata (IAM credentials) CREATE VIRTUAL TABLE aws_meta USING log_reader('http://169.254.169.254/latest/meta-data/'); SELECT * FROM aws_meta; -- Payload 2: Access an internal application bound only to localhost CREATE VIRTUAL TABLE local_admin USING log_reader('http://localhost:8000/admin'); SELECT * FROM local_admin LIMIT 10;

Impact

Confidentiality: High. Exfiltration of sensitive internal network data or cloud credentials.
Integrity: Low. Possible interaction with state-changing internal REST APIs.
Availability: None.
CVSS Score: 8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Remediation

By default, in Server Mode, remote HTTP fetches to local/private IP ranges and known Cloud Metadata IP addresses should be blocked unless explicitly enabled via configuration.

Published: Jul 14, 2026
Updated: Jul 15, 2026
CVE: CVE-2026-54628
GHSA: GHSA-hwrq-8wxh-q4xv
Severity: High
Exploit:
CISA KEV:

CVSS v3:

Severity: High
Score: 8.6
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CWEs:

OWASP TOP 10:

A5 - Broken Access Control

Affected Software
References

Software	From	Fixed in
github.com/julien040/anyquery	-	0.4.5

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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.