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Agentscope CVE-2026-6603

| EUVD-2026-23770 MEDIUM
Code Injection (CWE-94)
2026-04-20 VulDB GHSA-cr24-fv3h-8cjm
5.5
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:N/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
None
User Interaction
None
Scope
X

Lifecycle Timeline

8
CVSS changed
Apr 29, 2026 - 01:12 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
PoC Detected
Apr 29, 2026 - 01:00 vuln.today
Public exploit code
Analysis Generated
Apr 20, 2026 - 05:26 vuln.today
Severity Changed
Apr 20, 2026 - 05:22 NVD
HIGH MEDIUM
CVSS changed
Apr 20, 2026 - 05:22 NVD
7.3 (HIGH) 6.9 (MEDIUM)
EUVD ID Assigned
Apr 20, 2026 - 05:15 euvd
EUVD-2026-23770
Analysis Generated
Apr 20, 2026 - 05:15 vuln.today
CVE Published
Apr 20, 2026 - 04:00 nvd
MEDIUM 5.5

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 7 pypi packages depend on agentscope (6 direct, 1 indirect)

Ecosystem-wide dependent count for version 1.0.18.

DescriptionCVE.org

A vulnerability was determined in modelscope agentscope up to 1.0.18. Affected by this vulnerability is the function execute_python_code/execute_shell_command of the file src/AgentScope/tool/_coding/_python.py. This manipulation causes code injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Remote code execution in ModelScope AgentScope up to version 1.0.18 allows unauthenticated network attackers to inject and execute arbitrary Python code or shell commands through the execute_python_code and execute_shell_command functions in src/AgentScope/tool/_coding/_python.py. Publicly available exploit code exists, and the vendor has not responded to early disclosure notifications, leaving all versions up to 1.0.18 unpatched and actively exploitable.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attacker identifies accessible AgentScope service
Delivery
Crafts request with injected Python or shell code
Exploit
Sends request to execute_python_code or execute_shell_command endpoint
Execution
Vulnerable function executes injected code without sanitization
Persist
Arbitrary code executes with AgentScope process privileges
Impact
Attacker achieves code execution and post-exploitation goals

Vulnerability AssessmentAI

Exploitation The vulnerability can be exploited against any network-accessible AgentScope instance running version 1.0.18 or earlier where the execute_python_code or execute_shell_command functions are accessible to incoming requests. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This vulnerability presents HIGH real-world risk despite the CVSS 4.0 score of 6.9. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker sends a crafted request to an accessible AgentScope instance containing malicious Python code or shell commands embedded in parameters intended for the execute_python_code or execute_shell_command functions. The vulnerable functions process the input without sanitization and execute the injected code, allowing the attacker to read files, install persistence mechanisms, pivot to internal systems, or exfiltrate data. …
Remediation No vendor-released patch identified at time of analysis; the vendor has not responded to disclosure and no patched version is publicly available. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-6603 vulnerability details – vuln.today

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