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AstrBot CVE-2026-6984

| EUVDEUVD-2026-25660 LOW
Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
2026-04-25 VulDB
2.0
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.0 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/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:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/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:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

8
Severity Changed
Apr 29, 2026 - 01:12 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:12 NVD
5.1 (MEDIUM) 2.0 (LOW)
PoC Detected
Apr 29, 2026 - 01:00 vuln.today
Public exploit code
CVSS changed
Apr 25, 2026 - 16:22 NVD
4.7 (MEDIUM) 5.1 (MEDIUM)
Analysis Generated
Apr 25, 2026 - 16:00 vuln.today
EUVD ID Assigned
Apr 25, 2026 - 15:45 euvd
EUVD-2026-25660
Analysis Generated
Apr 25, 2026 - 15:45 vuln.today
CVE Published
Apr 25, 2026 - 15:30 nvd
LOW 2.0

DescriptionCVE.org

A security flaw has been discovered in AstrBotDevs AstrBot up to 4.22.1. This affects the function create_template of the file astrbot/dashboard/routes/t2i.py of the component Dashboard API. The manipulation results in improper neutralization of special elements used in a template engine. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Server-side template injection in AstrBot Dashboard API (version 4.22.1 and earlier) allows remote authenticated attackers with high privileges to execute arbitrary template code via the create_template function, leading to information disclosure and potential code execution. Publicly available exploit code exists, and the vendor has not yet responded to disclosure despite early notification.

Technical ContextAI

The vulnerability exists in the create_template function within astrbot/dashboard/routes/t2i.py, which improperly neutralizes special elements used in template engine processing (CWE-1336: Template Injection). This is a server-side template injection (SSTI) flaw where user-supplied input is processed by a backend template engine without proper sanitization, allowing attackers to inject template directives. The affected CPE (cpe:2.3:a:astrbotdevs:astrbot) indicates all AstrBot versions up to and including 4.22.1 are in scope. The Dashboard API component handles template creation operations, which if exposed to untrusted input, can lead to arbitrary template expression evaluation.

RemediationAI

Immediate upgrade to a patched version is recommended, though no vendor-released fix version is currently available per the unresponsive disclosure status. Until a patch is released, implement network segmentation to restrict Dashboard API access to trusted administrative networks only, disable the create_template endpoint if not actively used, enforce strict input validation on all template parameters by implementing a template sandbox or safe whitelist of allowed template directives, and monitor template creation logs for suspicious patterns. Additionally, enforce multi-factor authentication for dashboard administrative accounts and implement rate limiting on the create_template endpoint to slow exploitation attempts. Organizations should monitor the AstrBot GitHub repository (https://github.com/AstrBotDevs/AstrBot/) and VulDB advisory (https://vuldb.com/vuln/359527) for vendor patch announcements.

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CVE-2026-6984 vulnerability details – vuln.today

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