PyPI/strands-agents CVE-2026-115419: high 8.1, EPSS 0.34%

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

Action: Upgrade strands-agents to 1.43.0 or later.

pip install strands-agents==1.43.0

Affected

Fixed versions

Sources

• osv: GHSA-4v6f-7vjh-6x4m
• https://github.com/strands-agents/harness-sdk/security/advisories/GHSA-4v6f-7vjh-6x4m
• https://nvd.nist.gov/vuln/detail/CVE-2026-115419
• https://github.com/strands-agents/harness-sdk/pull/2628
• https://github.com/strands-agents/harness-sdk/pull/2696
• https://github.com/strands-agents/harness-sdk/commit/398343faad0e485f2e441dab70355c9a52382537
• https://github.com/strands-agents/harness-sdk/commit/403d87847e738e1c73909858d989cedcb67f0afa
• https://github.com/strands-agents/harness-sdk/commit/f8ba9376fe4b8330d526b6480b47c4440150e0cd
• https://aws.amazon.com/security/security-bulletins/2026-146-aws
• https://github.com/strands-agents/harness-sdk
• https://github.com/strands-agents/harness-sdk/releases/tag/python/v1.43.0
• https://github.com/strands-agents/harness-sdk/releases/tag/typescript/v1.5.0
• https://pypi.org/project/strands-agents/1.43.0
• https://www.npmjs.com/package/@strands-agents/sdk/v/1.5.0

CVE-2026-115419 · published 2026-10-23T20:48:29Z · modified 2026-10-23T21:00:06.293335185Z · JSON