Amazon Strands Agents Tools up to 0.8.4 Python REPL Tool non_interactive_mode neutralization

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.63

Summaryinfo

A vulnerability categorized as critical has been discovered in Amazon Strands Agents Tools up to 0.8.4. The affected element is an unknown function of the component Python REPL Tool. The manipulation of the argument non_interactive_mode results in neutralization. This vulnerability is cataloged as CVE-2026-78379. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Amazon Strands Agents Tools up to 0.8.4. It has been classified as critical. Affected is an unknown functionality of the component Python REPL Tool. The manipulation of the argument non_interactive_mode with an unknown input leads to a neutralization vulnerability. CWE is classifying the issue as CWE-707. The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper neutralization of input used for LLM prompting in the python_repl tool in Amazon Strands Agents Tools before 0.8.5 might allow remote actors to execute arbitrary Python code on the agent's host by bypassing the human consent gate, via a crafted prompt that forwards non_interactive_mode as a keyword argument through the batch tool. To remediate this issue, users should upgrade to version 0.8.5 or later.

The advisory is available at pypi.org. This vulnerability is traded as CVE-2026-78379 since 08/24/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

Upgrading to version 0.8.5 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (AMZN): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Neutralization
CWE: CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Strands Agents Tools 0.8.5

Timelineinfo

08/24/2026 CVE reserved
08/25/2026 +1 days Advisory disclosed
08/25/2026 +0 days VulDB entry created
08/25/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: pypi.org
Status: Confirmed

CVE: CVE-2026-78379 (🔒)
GCVE (CVE): GCVE-0-2026-78379
GCVE (VulDB): GCVE-100-395214

Entryinfo

Created: 08/25/2026 21:26
Changes: 08/25/2026 21:26 (76)
Complete: 🔍
Cache ID: 216::103

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