CVE-2026-103956
AWS loom
- AWS loom
- Critical
- CVSS 10.0
- EPSS 2.49%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| AWS loom | before 1.6.1 | 1.6.1 |
Advisories and fixes
- Vendor advisory aws.amazon.com
- Patch github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 10.0 (v4.0, scored by AMZN)
- EPSS
- 2.49% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Oct 2, 2026.
- Weakness
- CWE-306: Missing authentication for critical function; CWE-1188: Initialization of a resource with an insecure default
- Vendor
- AWS, loom
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.