How severe is CVE-2026-81549?

CVE-2026-81549 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-81549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-81549?

CVE-2026-81549 affects Ibm Datastage On Cloud Pak For Data. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-81549?

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

When was CVE-2026-81549 published?

CVE-2026-81549 was published on 2026-09-24 and last updated on 2026-10-06.

CVE-2026-81549

CVE-2026-81549 is a critical-severity vulnerability in Ibm Datastage On Cloud Pak For Data with a CVSS 3.x base score of 9.6. 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Ibm Datastage On Cloud Pak For Data
Published: 2026-09-24
Last modified: 2026-10-06

Description

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to obtain sensitive information due to improper validation of the X-Forwarded-Proto header.

Frequently asked questions

What is CVE-2026-81549?: IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to obtain sensitive information due to improper validation of the X-Forwarded-Proto header.
How severe is CVE-2026-81549?: CVE-2026-81549 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-81549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-81549?: CVE-2026-81549 affects Ibm Datastage On Cloud Pak For Data. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-81549?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-81549 published?: CVE-2026-81549 was published on 2026-09-24 and last updated on 2026-10-06.

References

https://www.ibm.com/support/pages/node/7288649

Affected products (1)

cpe:2.3:a:ibm:datastage_on_cloud_pak_for_data:5.4.0:*:*:*:*:*:*:*

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