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  4. CVE 2026 78379 consent bypass in pythonrepl tool via batch
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Back to active CVEs
Critical · CVSS 8.1CVE-2026-78379

Consent bypass in python_repl tool via batch kwargs forwarding in Amazon Strands Agents ToolsCVE-2026-78379

Answer in brief

CVE-2026-78379 records a Critical severity (CVSS 8.1) vulnerability in Consent bypass in python_repl tool via batch kwargs forwarding in Amazon Strands Agents Tools. The current sources do not mark it as known exploited. The current feed maps Amazon/strands-agents-tools (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 25, 2026Updated Aug 26, 2026Source checked Oct 9, 2026First seen by HOL Aug 25, 2026Material review Aug 26, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Amazon/strands-agents-tools (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Amazon/strands-agents-toolsgeneric>=0 <0.8.50.8.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Amazon/strands-agents-tools.
  2. 2Review the reported fix. Update Amazon/strands-agents-tools to 0.8.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 25, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 25, 2026

Sources and claim methodology

  • Source referenceaws.amazon.com
  • Source referencepypi.org
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

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  • MariaDB Connector/C: libmariadb allowed cleartext password leakage on TLS hostname verification failureSame generic ecosystem
  • x64dbg-MCP Server vulnerable to pre-authentication denial of service through Content-Length integer overflowSame generic ecosystem
  • MariaDB: insufficient validation of binary frm data when opening a tableSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-1427
Source
CVE List V5
Source checked
Oct 9, 2026
References
2 linked sources
Open source record