How severe is CVE-2026-12733?

CVE-2026-12733 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-12733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12733?

CVE-2026-12733 primarily affects Ibm Datapower Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-12733?

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-2026-12733 published?

CVE-2026-12733 was published on 2026-07-30 and last updated on 2026-08-10.

CVE-2026-12733

CVE-2026-12733 is a high-severity vulnerability in Ibm Datapower Gateway 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Ibm Datapower Gateway
Published: 2026-07-30
Last modified: 2026-08-10

Description

IBM DataPower Gateway could allow a remote attacker to cause a denial of service due to improper resource limitations.

Frequently asked questions

What is CVE-2026-12733?: IBM DataPower Gateway could allow a remote attacker to cause a denial of service due to improper resource limitations.
How severe is CVE-2026-12733?: CVE-2026-12733 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-12733 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12733?: CVE-2026-12733 primarily affects Ibm Datapower Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-12733?: 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-2026-12733 published?: CVE-2026-12733 was published on 2026-07-30 and last updated on 2026-08-10.

References

https://www.ibm.com/support/pages/node/7278746

Affected products (2)

cpe:2.3:a:ibm:datapower_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:datapower_gateway:*:*:*:*:continuous_delivery:*:*:*

More vulnerabilities in Ibm Datapower Gateway

CVE-2019-4621 — Critical (CVSS 9.8): IBM DataPower Gateway 7.6.0.0-7 throug 6.0.14 and 2018.4.1.0 through 2018.4.1.5 have a default administrator account…
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CVE-2022-31773 — High (CVSS 8.8): IBM DataPower Gateway V10CD, 10.0.1, and 2018.4.1 is vulnerable to cross-site request forgery which could allow an…
CVE-2022-31776 — High (CVSS 8.8): IBM DataPower Gateway 10.0.2.0 through 10.0.4.0, 10.0.1.0 through 10.0.1.8, 10.5.0.0, and 2018.4.1.0 through…
CVE-2019-4294 — High (CVSS 7.8): IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.6, 7.6.0.0 through 7.6.0.15 and IBM MQ Appliance 8.0.0.0 through…
CVE-2021-38872 — High (CVSS 7.5): IBM DataPower Gateway 10.0.2.0, 10.0.3.0, 10.0.1.0 through 10.0.1.4, and 2018.4.1.0 through 2018.4.1.17 could allow a…

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