CVE•Published 2026-08-04•Modified 2026-08-06•1 article on news•4 live references•NVD data
CVE-2026-18830
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
Insufficient input validation in Amazon Bedrock AgentCore harness might allow an authenticated remote user to execute configured tools bypassing model invocation and security controls via crafted content blocks in conversation messages. AWS has addressed this issue. No customer action is required.
Timeline
Published 2026-08-04
Modified 2026-08-06
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-18830Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-18830Censys host search filtered to this CVE id.
grep.app
CVE-2026-18830Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-18830GitHub code search for direct mentions.
Google dork
"CVE-2026-18830" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.