CVE•Published 2026-09-11•Modified 2026-09-16•0 articles on news•3 live references•NVD data
CVE-2026-78135Strongswan · Strongswan
Vulnerability data via NVD (ingested)
CVSS v3.1
5.6
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS percentile
27
Exploit Prediction Scoring System · top 73% of all CVEs
Weaknesses (CWE)
Description
libcharon in strongSwan 5.9.7 through 6.0.7 mishandles behavioral workflow in the IKEv2 state machine. Because CREATE_CHILD_SA requests are mishandled, there can be an authentication bypass.
Timeline
Published 2026-09-11
Modified 2026-09-16
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-2026-78135Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Strongswan Strongswan"All exposed Strongswan Strongswan instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Strongswan"HTTP body or banner mentions "Strongswan" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-78135Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-78135Censys host search filtered to this CVE id.
grep.app
CVE-2026-78135Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-78135GitHub code search for direct mentions.
Google dork
"CVE-2026-78135" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-78135 on GitHub.
We haven't classified any articles referencing CVE-2026-78135 yet. The external references above still apply.