CVE•Published 2026-05-08•Modified 2026-06-01•1 article on news•5 live references•NVD data
CVE-2026-44400Mailenable · Mailenable
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
MailEnable Enterprise Premium 10.55 and earlier contains an improper authorization vulnerability in the WebAdmin mobile portal that allows attackers to bypass authentication checks by reusing AuthenticationToken cookies generated for low-privileged users. Attackers can obtain a token from the WebMail login endpoint using the PersistentLogin parameter and replay it against the WebAdmin portal to perform highly privileged administrative actions.
Timeline
Published 2026-05-08
Modified 2026-06-01
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-2026-44400Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mailenable Mailenable"All exposed Mailenable Mailenable instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Mailenable"HTTP body or banner mentions "Mailenable" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-44400Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-44400Censys host search filtered to this CVE id.
grep.app
CVE-2026-44400Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-44400GitHub code search for direct mentions.
Google dork
"CVE-2026-44400" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-44400 on GitHub.