External risk intelligence

Bytebase SQL Parser SQL Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.1)

CVE-2026-79536

The vulnerability resides in a database management tool component. Such tools are commonly deployed as web-based interfaces or API services intended for administrative access, which are frequently exposed to network environments or internet-accessible service portals.

SQL Injection

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical SQL injection vulnerability has been identified in a component of database management software, potentially allowing unauthorized access to sensitive information through crafted queries. The main concern at this time is confirming if this specific technology is in use and if it is exposed to potential threats.

Database software has a security flaw.
Could lead to unauthorized data access.
Confirm use and exposure to understand risk.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending a specially crafted SQL statement to the application's SQL parser. This could allow them to gain unauthorized access to sensitive database information.

No authentication required to reach.
Vulnerable SQL parser component.
Leads to sensitive data exposure.

Live Threat

Current exploitation, exposure, and threat context

This SQL injection vulnerability in the SQL parser could allow an attacker to execute arbitrary SQL commands. When successfully exploited, this could lead to unauthorized access to and modification of sensitive database information.

Sensitive database information.
Via crafted SQL statements.
Unauthorized data access and modification.

Operational Fix

Recommended remediation, mitigation, and detection steps

The discovery of a SQL injection vulnerability in Bytebase's SQL parser component indicates that application owners and platform teams are likely responsible for managing this technology. The first critical step is to identify all instances of Bytebase, confirm their network exposure and business criticality, and then assign an owner to plan remediation efforts.

Application and Platform Teams
Verify Bytebase instance exposure.
Plan risk-based remediation.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is Bytebase dbhub?

Bytebase dbhub is a database management tool designed to streamline how engineering and platform teams interact with their data infrastructure. It provides web-based interfaces and services for managing database schemas and executing queries. The vulnerability exists within its SQL parser component, which is responsible for analyzing and processing the SQL statements users submit through the software's interface.

What is the vulnerability class for CVE-2026-79536?

This issue is classified as CWE-89, commonly known as SQL injection. This weakness occurs when an application improperly filters user-supplied data before including it in a database query. In this case, the flaw in the SQL parser allows an attacker to manipulate the structure of intended database commands, potentially leading to unauthorized data access or modification.

How can an attacker trigger this SQL injection?

An attacker triggers the vulnerability by submitting a specifically crafted SQL statement to the application's vulnerable parser component. Because the flaw exists within the parsing logic itself, it does not require the attacker to have legitimate authentication or existing credentials to interact with the system. Simply sending the malicious query to the interface is sufficient to initiate the attack.

Is my Bytebase instance at risk?

According to Halo Surface Signal, this software is often deployed as a web-accessible interface or API service, making instances that are reachable over a network or the internet significantly more relevant. If your instance is exposed to external traffic, it is at a higher risk of being targeted compared to one strictly contained within an isolated internal management network.

How should I respond to this CVE?

The immediate priority is to locate all instances of Bytebase within your environment. Once identified, evaluate whether these instances are accessible over the network and determine their importance to your business operations. Assign a clear owner to these systems so they can track the status of the software and prepare to apply patches or mitigation steps once they are made available by the vendor.

References

www.traceforce.ai/security-advisories/cve-2026-79536

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.