CVE•Published 2026-10-22•Modified 2026-10-23•0 articles on news•4 live references•NVD data
CVE-2026-115386
Vulnerability data via NVD (ingested)
CVSS v3.1
2.6
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an information disclosure vulnerability in the WASIp1 fd_readdir implementation that copies uninitialized struct padding into guest memory. Guests with a preopened directory can list entries to receive three bytes of leftover host stack or heap memory per directory entry.
Timeline
Published 2026-10-22
Modified 2026-10-23
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).
Shodan · vuln tag0 hosts
vuln:CVE-2026-115386Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-115386Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-115386Censys host search filtered to this CVE id.
grep.app
CVE-2026-115386Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-115386GitHub code search for direct mentions.
Google dork
"CVE-2026-115386" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-115386 on GitHub.
We haven't classified any articles referencing CVE-2026-115386 yet. The external references above still apply.