{"id":"CVE-2026-103956","published":"2026-10-02T19:16:39.750","lastModified":"2026-10-06T14:49:40.823","description":"Missing authentication for critical function in the authentication dependency in Loom for AWS before 1.6.1 allowed remote actors to obtain super-admin authority over the agent control plane, including registering tool servers, reading stored integration credentials, and rewriting the IAM role policies attached to managed agent roles, via any request to the application API in a deployment where no identity provider is configured.\n\n\n\nTo remediate this issue, users should upgrade to version 1.6.1 or later.","cvssScore":10,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-306","CWE-1188"],"vendors":[],"products":[],"references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-124-aws/","tags":[]},{"url":"https://github.com/awslabs/loom/releases/tag/v1.6.1","tags":[]},{"url":"https://github.com/awslabs/loom/security/advisories/GHSA-vgmj-998f-r8mp","tags":[]}],"exploitRefs":[{"url":"https://github.com/awslabs/loom/releases/tag/v1.6.1","tags":[]},{"url":"https://github.com/awslabs/loom/security/advisories/GHSA-vgmj-998f-r8mp","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows remote actors to gain super-admin authority by exploiting missing authentication in the Loom for AWS application API before version 1.6.1.","exploitability":"Exploitation is relatively easy as it requires no specific credentials and can be achieved via any request to the application API in a deployment without an identity provider.","blast_radius":"If exploited, the impact is severe, as it allows full control over the agent control plane, including registering tool servers, reading credentials, and rewriting IAM policies.","remediation":"Upgrade to Loom for AWS version 1.6.1 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","api","aws","critical"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-03T08:43:32.389Z"}}