CVE•Published 2026-05-22•Modified 2026-06-02•1 article on news•5 live references•NVD data
CVE-2026-8670Avantra · Avantra
Vulnerability data via NVD (ingested)
CVSS v3.1
9.6
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session IDs (aka Session Replay). This issue affects Avantra: before 25.3.1.
Timeline
Published 2026-05-22
Modified 2026-06-02
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-2026-8670Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Avantra Avantra"All exposed Avantra Avantra instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Avantra"HTTP body or banner mentions "Avantra" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-8670Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-8670Censys host search filtered to this CVE id.
grep.app
CVE-2026-8670Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-8670GitHub code search for direct mentions.
Google dork
"CVE-2026-8670" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.