cve.bz

CVE-2026-17409 ibm api connect: Improper Handling of Case Sensitivity

9.4 criticalEPSS 0.6%

Critical (9.4) in ibm api connect. EPSS 0.6% estimated probability of exploitation activity in the next 30 days.

On this page
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.

Severity

CVSS 3.1

9.4 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
EPSS
0.6% estimated probability of exploitation activity in the next 30 days; 47th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: yes · Technical impact: total, assessed 2026-11-09. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-178 Improper Handling of Case Sensitivity
Published
Modified
Assigned by
ibm (CNA)
NVD analysis
Under analysis
Record from
the NVD, synced

Ask an AI about this CVE

Show the promptExplain CVE-2026-17409 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-17409?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-17409?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-17409 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-17409

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-17409](https://cve.bz/cve/badge/CVE-2026-17409.svg)](https://cve.bz/cve/CVE-2026-17409)

HTML:

<a href="https://cve.bz/cve/CVE-2026-17409"><img src="https://cve.bz/cve/badge/CVE-2026-17409.svg" alt="CVE-2026-17409"></a>

Affected

  • ibm:api connect

Versions

From the CNA's record in the CVE List.

ProductAffected
IBM API Connectfrom 12.1.0.0 through 12.1.1.2
IBM API Connectfrom 10.0.8.0 through 10.0.8.12

References

Check your stackJSON