# CVE-2025-27898: Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows

> An authenticated user can impersonate another user due to session invalidation failure after timeout in IBM DB2 Recovery Expert.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Feb 2026
- **Updated:** 6 Mar 2026
- **Also known as:** GHSA-5xwj-82gw-46fv

## What is CVE-2025-27898?

CVE-2025-27898 is a medium-severity authentication bypass vulnerability in IBM DB2 Recovery Expert for LUW, published on 17 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

IBM DB2 Recovery Expert for LUW 5.5 Interim Fix 002 does not invalidate session after a timeout which could allow an authenticated user to impersonate another user on the system.

Weakness: CWE-613 (DEPRECATED: Insufficient Session Expiration)

## Which versions are affected by CVE-2025-27898?

It affects 1 product.


Products: Ibm Db2 Recovery Expert.

## How do I fix CVE-2025-27898?

No fix has been published for CVE-2025-27898 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-27898 being exploited?

There is no known exploitation of CVE-2025-27898 in the wild and no public exploit code.

## Other vulnerabilities in IBM DB2 Recovery Expert for LUW

- [CVE-2025-27900](https://insights.sbomify.com/CVE-2025-27900/): Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows (medium 6.8)
- [CVE-2025-27901](https://insights.sbomify.com/CVE-2025-27901/): Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows (medium 6.5)
- [CVE-2025-27904](https://insights.sbomify.com/CVE-2025-27904/): Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows (medium 6.5)
- [CVE-2025-27903](https://insights.sbomify.com/CVE-2025-27903/): Multiple vulnerabilities in IBM Java SDK affecting Db2 Recovery Expert for Linux, Unix and Windows (medium 5.9)
- [CVE-2026-3856](https://insights.sbomify.com/CVE-2026-3856/): IBM Db2 Recovery Expert Missing Integrity Check (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-27898 and fix it if it is affected.

What it is: CVE-2025-27898 is a medium-severity authentication bypass vulnerability in IBM DB2 Recovery Expert for LUW, published on 17 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-27898 in the wild and no public exploit code.

Affected product: IBM DB2 Recovery Expert for LUW. 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-2025-27898/ (Markdown: https://insights.sbomify.com/CVE-2025-27898/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-27898
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-27898
- OSV: https://osv.dev/vulnerability/CVE-2025-27898

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-27898/
Summaries are generated and may contain mistakes; the official description above is the record.