How severe is CVE-2026-10853?

CVE-2026-10853 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-10853 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-10853?

CVE-2026-10853 primarily affects Ibm Mq. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-10853?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-10853 published?

CVE-2026-10853 was published on 2026-09-18 and last updated on 2026-09-23.

CVE-2026-10853

CVE-2026-10853 is a high-severity vulnerability in Ibm Mq with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-470.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-470
Affected product: Ibm Mq
Published: 2026-09-18
Last modified: 2026-09-23

Description

IBM MQ could allow an authenticated attacker with cluster access to cause a denial of service or potentially execute arbitrary code due to improper validation of cluster command message lengths.

Frequently asked questions

What is CVE-2026-10853?: IBM MQ could allow an authenticated attacker with cluster access to cause a denial of service or potentially execute arbitrary code due to improper validation of cluster command message lengths.
How severe is CVE-2026-10853?: CVE-2026-10853 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-10853 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-10853?: CVE-2026-10853 primarily affects Ibm Mq. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-10853?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-10853 published?: CVE-2026-10853 was published on 2026-09-18 and last updated on 2026-09-23.

References

https://www.ibm.com/support/pages/node/7284905

Affected products (3)

cpe:2.3:a:ibm:mq:*:*:*:*:lts:*:*:*
cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*
cpe:2.3:a:ibm:mq:10.0.0.0:*:*:*:continuous_delivery:*:*:*

More vulnerabilities in Ibm Mq

CVE-2020-4682 — Critical (CVSS 9.8): IBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system,…
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CVE-2026-11378 — High (CVSS 8.8): IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to…
CVE-2026-11375 — High (CVSS 8.8): IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to…
CVE-2026-10575 — High (CVSS 8.8): IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a…
CVE-2026-10027 — High (CVSS 8.1): IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow…

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