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AWS Security BulletinsCVE-2026-103956

CVE-2026-103956, CVE-2026-103957, and CVE-2026-103958 - Issues in Loom for AWS

Bulletin ID: 2026-124-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/02/2026 12:00 PM PDT Description: Loom is an AWS Labs open-source AI agent orchestration platform. We have identified and addressed three issues in Loom for AWS, described below. We recommend upgrading to the latest version (1.7.0) and ensuring any forked or derivative code is patched to incorporate the new fixes. - CVE-2026-103956 ‐ Authentication bypass in Loom for AWS (CWE-306, CWE-1188) An issue in the authentication dependency in Loom for AWS versions

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Scope

What the vendor says is affected

The collected bulletin did not provide a separate affected-products list. Check the original bulletin before making an exposure decision.

Next step

What the vendor recommends

We recommend upgrading to the latest version (1.7.0) and ensuring any forked or derivative code is patched to incorporate the new fixes.

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Timeline

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  1. Published by AWS

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  2. Added to SecurityAlert

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  3. Confirmed at the source

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Vulnerabilities

CVEs named in this advisory

CVE-2026-103956View CVSS, KEV, EPSS, and threat contextCVE-2026-103957View CVSS, KEV, EPSS, and threat contextCVE-2026-103958View CVSS, KEV, EPSS, and threat context
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