CVE-2026-103958: CWE-918 Server-side request forgery in AWS loom
Server-side request forgery in the tool server and remote agent connection handling in Loom for AWS before 1.7.0 might allow an authenticated remote user to obtain the credentials of the application's own container role and to read responses from arbitrary internal network locations, via a crafted connection address supplied when registering, updating or testing a tool server or remote agent. To remediate this issue, users should upgrade to version 1.7.0 or later.
AI Analysis
Technical Summary
CVE-2026-103958 is a CWE-918 SSRF vulnerability in AWS Loom prior to version 1.7.0. An authenticated remote user can supply a crafted connection address during registration, update, or testing of a tool server or remote agent, leading to unauthorized access to the container role credentials and internal network responses. This vulnerability affects versions before 1.7.0 and has a CVSS 3.1 score of 7.6, indicating high severity. AWS has published an advisory recommending upgrading to version 1.7.0 or later to remediate the issue.
Potential Impact
Exploitation allows an authenticated remote user to obtain sensitive credentials of the application's container role and access internal network resources, potentially leading to credential compromise and unauthorized data exposure within the internal network.
Mitigation Recommendations
Users should upgrade AWS Loom to version 1.7.0 or later, where this SSRF vulnerability is fixed. Since this is a cloud-hosted service, AWS manages remediation for the service, but customers must update their Loom installations accordingly.
CVE-2026-103958: CWE-918 Server-side request forgery in AWS loom
Description
Server-side request forgery in the tool server and remote agent connection handling in Loom for AWS before 1.7.0 might allow an authenticated remote user to obtain the credentials of the application's own container role and to read responses from arbitrary internal network locations, via a crafted connection address supplied when registering, updating or testing a tool server or remote agent. To remediate this issue, users should upgrade to version 1.7.0 or later.
CVSS v3.1
Score 7.6high
Affected software
AWS
loom
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-103958 is a CWE-918 SSRF vulnerability in AWS Loom prior to version 1.7.0. An authenticated remote user can supply a crafted connection address during registration, update, or testing of a tool server or remote agent, leading to unauthorized access to the container role credentials and internal network responses. This vulnerability affects versions before 1.7.0 and has a CVSS 3.1 score of 7.6, indicating high severity. AWS has published an advisory recommending upgrading to version 1.7.0 or later to remediate the issue.
Potential Impact
Exploitation allows an authenticated remote user to obtain sensitive credentials of the application's container role and access internal network resources, potentially leading to credential compromise and unauthorized data exposure within the internal network.
Mitigation Recommendations
Users should upgrade AWS Loom to version 1.7.0 or later, where this SSRF vulnerability is fixed. Since this is a cloud-hosted service, AWS manages remediation for the service, but customers must update their Loom installations accordingly.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AMZN
- Date Reserved
- 2026-10-01T14:59:37.091Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://aws.amazon.com/security/security-bulletins/2026-124-aws/","vendor":"AWS"}]
Threat ID: 6ac00321a43b0b3b89f06a32
Added to database: 10/02/2026, 19:16:49 UTC
Last enriched: 10/02/2026, 19:31:03 UTC
Last updated: 10/03/2026, 03:08:02 UTC
Views: 11
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.