Strands Agents SDK: Exposure of data element to wrong session in the A2A Server

Date Oct 23, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product PyPI · strands-agents

CVE CVE-2026-115419

High-risk advisory CVE-2026-115419

Summary

Strands Agents SDK: Exposure of data element to wrong session in the A2A Server

Why it matters

GitHub has published a reviewed security advisory for strands-agents. Prioritize it with other application dependency updates, especially because EPSS places it in the 37% percentile.

Operator check

Check whether strands-agents is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.6. EPSS probability: 0.4%; percentile: 37%.

Sources

GitHub Advisory GHSA-4v6f-7vjh-6x4m NVD — CVE-2026-115419 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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