How severe is CVE-2025-36397?

CVE-2025-36397 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-36397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-36397?

CVE-2025-36397 affects Ibm Application Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-36397?

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

Does CVE-2025-36397 have an EU (EUVD) identifier?

Yes. CVE-2025-36397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3352.

When was CVE-2025-36397 published?

CVE-2025-36397 was published on 2026-01-20 and last updated on 2026-06-17.

CVE-2025-36397

CVE-2025-36397 is a medium-severity vulnerability in Ibm Application Gateway with a CVSS 3.x base score of 5.4. 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-80.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3352
Weakness: CWE-80
Affected product: Ibm Application Gateway
Published: 2026-01-20
Last modified: 2026-06-17

Description

IBM Application Gateway 23.10 through 25.09 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.

Frequently asked questions

What is CVE-2025-36397?: IBM Application Gateway 23.10 through 25.09 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
How severe is CVE-2025-36397?: CVE-2025-36397 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-36397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-36397?: CVE-2025-36397 affects Ibm Application Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-36397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-36397 have an EU (EUVD) identifier?: Yes. CVE-2025-36397 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3352.
When was CVE-2025-36397 published?: CVE-2025-36397 was published on 2026-01-20 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7256857

Affected products (1)

cpe:2.3:a:ibm:application_gateway:*:*:*:*:*:*:*:*

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