CVE•Published 2026-10-16•Modified 2026-10-23•1 article on news•4 live references•NVD data
CVE-2026-111633
Vulnerability data via NVD (ingested)
CVSS v3.1
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
EPSS percentile
26
Exploit Prediction Scoring System · top 74% of all CVEs
Weaknesses (CWE)
Description
ZKEACMS through 4.4 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge REST API JWT bearer tokens using a hard-coded HMAC-SHA256 signing key in JwtBearerDefaults.cs. Attackers can sign a token with the Name claim set to 'admin' to call ApiAuthorize endpoints, modifying articles and products and reading form submissions.
Timeline
Published 2026-10-16
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-2026-111633Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-111633Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-111633Censys host search filtered to this CVE id.
grep.app
CVE-2026-111633Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-111633GitHub code search for direct mentions.
Google dork
"CVE-2026-111633" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-111633 on GitHub.