# CVE-2025-36397: Security vulnerabilities have been found in IBM Application Gateway

> Remote attackers can inject malicious HTML into IBM Application Gateway, leading to script execution in victims' browsers within the site's security context.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 20 Jan 2026
- **Updated:** 20 Jan 2026
- **Also known as:** GHSA-w8f7-v445-8x5q

## What is CVE-2025-36397?

CVE-2025-36397 is a medium-severity cross-site scripting vulnerability in IBM Application Gateway, published on 20 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official 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.

Weakness: CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page)

## Which versions are affected by CVE-2025-36397?

It affects 1 product.


Products: Ibm Application Gateway.

## How do I fix CVE-2025-36397?

No fix has been published for CVE-2025-36397 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-36397 being exploited?

There is no known exploitation of CVE-2025-36397 in the wild and no public exploit code.

## Other vulnerabilities in IBM Application Gateway

- [CVE-2024-28787](https://insights.sbomify.com/CVE-2024-28787/): IBM Security Verify Access information disclosure (high 8.7)
- [CVE-2021-20576](https://insights.sbomify.com/CVE-2021-20576/): Denial of service in Security Verify Access (high 7.5)
- [CVE-2024-45655](https://insights.sbomify.com/CVE-2024-45655/): IBM Application Gateway incorrect permission assignment (medium 5.5)
- [CVE-2025-36396](https://insights.sbomify.com/CVE-2025-36396/): Security vulnerabilities have been found in IBM Application Gateway (medium 5.4)
- [CVE-2022-22387](https://insights.sbomify.com/CVE-2022-22387/): Cross-site scripting in Application Gateway (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-36397 and fix it if it is affected.

What it is: CVE-2025-36397 is a medium-severity cross-site scripting vulnerability in IBM Application Gateway, published on 20 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-36397 in the wild and no public exploit code.

Affected product: IBM Application Gateway. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-36397/ (Markdown: https://insights.sbomify.com/CVE-2025-36397/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-36397
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-36397
- OSV: https://osv.dev/vulnerability/CVE-2025-36397

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-36397/
Summaries are generated and may contain mistakes; the official description above is the record.