Server-side request forgery in Amazon Web Services Multi Model Server
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Amazon Web Services Multi Model Server 1.1.11 and earlier has a server-side request forgery flaw in its model download path (CWE-918). Remote actors can supply a crafted model URL that makes the server send requests to internal network destinations.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Description from the CNA
Server-side request forgery in the model download path in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to send requests to internal network destinations via a crafted model URL. Multi Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
The sources list no fixed version for Multi Model Server. The sources state that the product is end of life and that users should discontinue use and migrate to a supported model serving solution.
Written with Claude Haiku 5.5 from the sources below · 2026-11-02
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
AWS multi-model-server — aws.amazon.com/security/security-bulletins/2026-148-aws
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2026-79978 Path traversal in Amazon Web Services Multi Model Server during model extractionPriority MEDIUM 49
Timeline
- 2026-10-23 Threatist record created from CVE-2026-115813
- 2026-10-24 Priority changed: MEDIUM → LOW
- 2026-11-02 CISA SSVC decision points changed
References
More AWS vulnerabilities
- TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2024-18648 Amazon AWS Amplify CLI before 12.10.1 incorrectly configures the role trust policy of IAM… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2025-03847 Input validation issue in AWS Amplify Studio UI component properties CVSS 4.0CRITICAL 9.0
- TI-2026-11603 HTTP/2 Stream Parser Confusion Body-Inspection Bypass in Amazon CloudFront with AWS WAF CVSS 4.0HIGH 7.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences