CVE-2026-18733: aws strands-agents-tools
Vulnerability summary
CVE-2026-18733 is a high (CVSS 8.8) vulnerability in aws strands-agents-tools. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.2% of scored vulnerabilities.
Timeline
- 03-08-2026PublishedVulnerability first disclosed.
- 04-08-2026Last modifiedVulnerability information updated.
Description
A prompt injection vulnerability in the shell tool in Amazon Strands Agents Tools before 0.8.0 might allow remote actors to execute arbitrary operating system commands on the agent's host via a crafted prompt that sets the non_interactive parameter to true, bypassing the human consent gate. To remediate this issue, users should upgrade to version 0.8.0.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST7.5HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.25 pp
From 0.32% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Aws1 product
- strands-agents-tools< 0.8.0
1 vendor · 1 product
References
3 links- aws.amazon.com/security/security-bulletins/2026-072-aws/Vendor Advisory