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CVE-2026-123020

eosphoros-ai DB-GPT Jinja2 Template __init__.py FileBasedSkill.get_prompt special elements in template engine

CVSS score

5.3

EPSS probability

—

Risk score

0.5

Published

1 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-123020 – Improper Neutralization of Special Elements in eosphoros-ai DB‑GPT Jinja2 Template Engine

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

In eosphoros-ai DB‑GPT versions up to 0.8.1, the FileBasedSkill.get_prompt function fails to properly neutralize special elements in Jinja2 templates, allowing remote attackers to inject malicious templates. The flaw requires user interaction and scores 5.3 (Medium) on CVSS. A fix is provided in version 0.8.2.

Why does it matter?

Remote template injection can enable an attacker to execute code and potentially exfiltrate data from the affected system.

What should be done?

  • Upgrade DB‑GPT to version 0.8.2
  • Apply patch a9e7a3c026d114fcfb4ffe3eaf78851a636ded16
  • Validate and escape template inputs
  • Harden Jinja2 configuration
  • Enhance security monitoring and logging
Chain of evidence and sources2 verified claims

Bu zafiyet, Jinja2 şablon motorunda özel elemanların yetersiz kaçırılması nedeniyle Server‑Side Template Injection (SSTI) açığı oluşturur.

S0 · daybreach-canonicalS1 · cvelist

DB‑GPT 0.8.2 sürümü ve ilgili yama (a9e7a3c…) bu güvenlik açığını düzeltir.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

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.

CVSS 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

CWE: CWE-1336, CWE-791

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-123020 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1eosphoros-aiDB-GPT View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.5CVSS V2_0—AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:CCVE CNA
7.5CVSS V2—AV:N/AC:L/Au:N/C:P/I:P/A:PNVD
6.3CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:CCVE CNA
6.3CVSS V3_0MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:CCVE CNA
6.3CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:LNVD
5.3CVSS V4_0MEDIUMCVSS: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:PCVE CNA
2.1CVSS V40LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

6 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
cvelist

CNA çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-123020 is associated with the following CWEs:

CWE-1336: Common Weakness Enumeration Entry CWE-1336CWE-791: Common Weakness Enumeration Entry CWE-791

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-123020 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
User—

Official Sources and Advisories

VDB-431394 | eosphoros-ai DB-GPT Jinja2 Template __init__.py FileBasedSkill.get_prompt special elements in template enginevendor-advisoryVDB-431394 | CTI Indicators (IOB, IOC, TTP, IOA)vendor-advisoryCVE-2026-123020 | CVE Analysis and Reportvendor-advisorySubmit #1033118 | eosphoros-ai DB-GPT 0.8.1 CWE-1336 Improper Neutralization of Special Elements Used in a Tvendor-advisoryhttps://github.com/eosphoros-ai/DB-GPT/issues/3291vendor-advisoryhttps://github.com/eosphoros-ai/DB-GPT/pull/3111patchhttps://github.com/ybyu-ieu/agent-security-advisories/blob/main/dbgpt/dbgpt-skill-template-jinja2-ssti-rce.mdvendor-advisoryhttps://github.com/eosphoros-ai/DB-GPT/commit/a9e7a3c026d114fcfb4ffe3eaf78851a636ded16patchhttps://github.com/eosphoros-ai/DB-GPT/releases/tag/v0.8.2patchhttps://github.com/eosphoros-ai/DB-GPT/vendor-advisory

CVSS Vector Radar Chart

5.3 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityNoneAvailabilityLow

Vulnerability Scoring Details

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
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionP
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)P
Availability (Erişilebilirlik)Low

Yama doğrulandı

6 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

CWE-1336 CWE-791

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CVE-2026-123020 · eosphoros-ai DB-GPT Jinja2 Template…