CVE•Published 2026-10-19•Modified 2026-10-23•0 articles on news•3 live references•NVD data

CVE-2026-12727Ibm · Mq_operator

Vulnerability data via NVD (ingested)

CVSS v3.1

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS percentile

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Weaknesses (CWE)

CWE-193Off-by-one Error

Description

IBM MQ could allow an authenticated attacker to cause potential process instability due to an off-by-one buffer overflow when processing specially crafted object names.

Timeline

Published 2026-10-19

Modified 2026-10-23

External references

NVD MITRE VulnCheck

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-2026-12727

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Ibm Mq Operator"

All exposed Ibm Mq Operator instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Mq Operator"

HTTP body or banner mentions "Mq Operator" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-12727