CVE•Published 2026-04-07•Modified 2026-04-14•1 article on news•7 live references•NVD data
CVE-2026-31272Mrcms · Mrcms
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
MRCMS 3.1.2 contains an access control vulnerability. The save() method in src/main/java/org/marker/mushroom/controller/UserController.java lacks proper authorization validation, enabling direct addition of super administrator accounts without authentication.
Timeline
Published 2026-04-07
Modified 2026-04-14
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-2026-31272Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Mrcms Mrcms" version:"3.1.2"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Mrcms"HTTP body or banner mentions "Mrcms" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-31272Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-31272Censys host search filtered to this CVE id.
grep.app
CVE-2026-31272Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-31272GitHub code search for direct mentions.
Google dork
"CVE-2026-31272" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-31272 on GitHub.