Dashboard / CVE-2026-13271

CVE-2026-13271

HIGH
MEDIUM Priority: 0.02 BB Relevance: 66/100
Published: 2026-11-04 Modified: 2026-11-09 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: None

Description

IBM MQ 9.2.0.0 through 9.2.0.44 LTS, 9.3.0.0 through 9.3.0.42 LTS, 9.4.0.0 through 9.4.0.26 LTS, 9.4.0.0 through 9.4.5.1 CD, and 10.0.0.0 through 10.0.0.5 LTS and CD Managed File Transfer could allow an authenticated attacker to obtain sensitive information or cause a denial of service due to improper restriction of XML external entity references in command queue processing.

Weakness Classification (1)

Affected Software (10)

VendorProductVersion
IBM MQ 9.2.0.0
IBM MQ 9.3.0.0
IBM MQ 9.4.0.0
IBM MQ 9.4.0.0
IBM MQ 10.0.0.0
IBM MQ 9.2.0.0
IBM MQ 9.3.0.0
IBM MQ 9.4.0.0
IBM MQ 9.4.0.0
IBM MQ 10.0.0.0

References & Advisories (1)

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.23%
Raw Score 0.002290
Percentile 13.8%
Date 2026-11-12

EPSS Trend

2026-11-12
0.00229
2026-11-10
0.00229
2026-11-09
0.00229
2026-11-08
0.00229
2026-11-07
0.00229
2026-11-06
0.00229
2026-11-05
0.00229

Intelligence Sources

mitre ref →
nvd ref →

External Links