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CVE-2026-17409

CRITICALCVSS 9.4/10EPSS 0.55%

Last modified

CVE-2026-17409 is a critical-severity vulnerability rated 9.4/10 on the CVSS scale. IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote attacker to execute unauthorized administrative operations and obtain sensitive information due to improper handling of case sensitivity. Access controls are not applied consistently to all variations of a request, which could allow restricted operations to be reached.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote attacker to execute unauthorized administrative operations and obtain sensitive information due to improper handling of case sensitivity. Access controls are not applied consistently to all variations of a request, which could allow restricted operations to be reached.

Metrics

CVSS 3.1
9.4/10

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

EPSS Probability
0.55%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
IBMAPI Connect>= 12.1.0.0, <= 12.1.1.2; >= 10.0.8.0, <= 10.0.8.12

References

Timeline

Published
Last Modified
Status
Undergoing Analysis

Frequently Asked Questions

What is CVE-2026-17409?
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote attacker to execute unauthorized administrative operations and obtain sensitive information due to improper handling of case sensitivity. Access controls are not applied consistently to all variations of a request, which could allow restricted operations to be reached.
How severe is CVE-2026-17409?
CVE-2026-17409 has a CVSS score of 9.4/10 (CRITICAL severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2026-17409?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST