Input Neutralization Flaw in Strands Agents Tools from Strands
CVE-2026-115415

5.9MEDIUM

Key Information:

Vendor

Amazon

Vendor
CVE Published:
28 October 2026

What is CVE-2026-115415?

The Strands Agents Tools prior to version 0.8.6 is affected by a vulnerability that allows an attacker to exploit improper neutralization of input used for LLM prompting. This security flaw enables remote actors to access sensitive environment variables in plaintext, such as cloud credentials and API keys, through a carefully crafted prompt that bypasses the tool's secret masking features. To mitigate risks, it is crucial for users to upgrade to version 0.8.6 or later and to promptly rotate any compromised credentials.

Affected Version(s)

strands-agents-tools 0.1.0 < 0.8.6

References

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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