How severe is CVE-2026-2606?

CVE-2026-2606 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-2606 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2606?

CVE-2026-2606 primarily affects Ibm Webmethods Api Gateway. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-2606?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-2606 have an EU (EUVD) identifier?

Yes. CVE-2026-2606 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9314.

When was CVE-2026-2606 published?

CVE-2026-2606 was published on 2026-03-03 and last updated on 2026-06-17.

CVE-2026-2606

CVE-2026-2606 is a medium-severity vulnerability in Ibm Webmethods Api Gateway with a CVSS 3.x base score of 6.5. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9314
Weakness: CWE-22
Affected product: Ibm Webmethods Api Gateway
Published: 2026-03-03
Last modified: 2026-06-17

Description

IBM webMethods API Gateway (on-prem) 10.11 through 10.11_Fix3210.15 to 10.15_Fix2711.1 to 11.1_Fix7 IBM webMethods API Management (on-prem) fails to properly validate user-supplied input passed to the url parameter on the /createapi endpoint. An attacker can modify this parameter to use a file:// URI schema instead of the expected https:// schema, enabling unauthorized arbitrary file read access on the underlying server file system.

Frequently asked questions

What is CVE-2026-2606?: IBM webMethods API Gateway (on-prem) 10.11 through 10.11_Fix3210.15 to 10.15_Fix2711.1 to 11.1_Fix7 IBM webMethods API Management (on-prem) fails to properly validate user-supplied input passed to the url parameter on the /createapi endpoint. An attacker can modify this parameter to use a file:// URI schema instead of the expected https:// schema, enabling unauthorized arbitrary file read access on the underlying server file system.
How severe is CVE-2026-2606?: CVE-2026-2606 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-2606 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2606?: CVE-2026-2606 primarily affects Ibm Webmethods Api Gateway. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-2606?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2606 have an EU (EUVD) identifier?: Yes. CVE-2026-2606 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9314.
When was CVE-2026-2606 published?: CVE-2026-2606 was published on 2026-03-03 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7261122

Affected products (6)

cpe:2.3:a:ibm:webmethods_api_gateway:10.11:-:*:*:on-prem:*:*:*
cpe:2.3:a:ibm:webmethods_api_gateway:10.11:fix32:*:*:on-prem:*:*:*
cpe:2.3:a:ibm:webmethods_api_gateway:10.15:-:*:*:on-prem:*:*:*
cpe:2.3:a:ibm:webmethods_api_gateway:10.15:fix27:*:*:on-prem:*:*:*
cpe:2.3:a:ibm:webmethods_api_gateway:11.1:-:*:*:on-prem:*:*:*
cpe:2.3:a:ibm:webmethods_api_gateway:11.1:fix7:*:*:on-prem:*:*:*

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