CVE-2026-80434

HIGH

Published Sep 10, 2026 Modified Sep 16, 2026 CWE-639

Description

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to manipulate runtime caches and cause a denial of service due to an insecure direct object reference.

Is your site exposed to CVE-2026-80434?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.4

HIGH

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

EPSS — Exploit Prediction

0.0023

Probability of exploitation

0.14%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
ibm	datastage_on_cloud_pak_for_data	All

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7286562

Frequently Asked Questions

What is CVE-2026-80434? +

IBM DataStage on Cloud Pak for Data 5.4.0.0 could allow a remote authenticated attacker to manipulate runtime caches and cause a denial of service due to an insecure direct object reference. It has a CVSS v3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-80434? +

CVE-2026-80434 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0023, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-80434? +

CVE-2026-80434 affects products from ibm, specifically: datastage_on_cloud_pak_for_data. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-80434? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-40570

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the `load_customer_info` action in `POST /conversation/ajax` …

CVE-2026-9152

A missing authentication vulnerability exists in the Altium 365 SearchService. A legacy SOAP endpoint exposes search index operations without requiring …

CVE-2026-40866

Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, an insecure direct object reference in …

CVE-2026-40865

Horilla is a free and open source Human Resource Management System (HRMS). In 1.5.0, an insecure direct object reference in …

CVE-2026-6375

A vulnerability in SpiceJet’s booking API allows unauthenticated users to query passenger name records (PNRs) without any access controls. Because …

CVE-2025-15626

Authenticated user can bypass authorization in Ribblr - Crochet & Knitting iOS application