# CVE-2026-25193: Information disclosure in Active Directory Sync

> Attackers can read sensitive Service Account credentials from installer logs if a custom account was used during installation.

- **Severity:** High 8.1 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 25 May 2026
- **Updated:** 26 May 2026
- **Also known as:** GHSA-5p63-2cwc-2x43

## What is CVE-2026-25193?

CVE-2026-25193 is a high-severity vulnerability in Gallagher Active Directory Sync, published on 25 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Insertion of Sensitive Information into Log File (CWE-532) in some Command Centre Service installers could lead to Service Account credentials exposure. 
Mitigating Factor: Only sites that install Command Centre Services with a custom Service Account (not the default Network Service account) are potentially impacted.

Mitigation: For sites concerned about exposure, the recommended action is to change the Service Account password. They can also delete any installer log files, usually found in %programdata%\Gallagher\Command Centre.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2026-25193?

It affects 15 products.


Products: Gallagher Active Directory Sync, Gallagher Cardholder Sync Utility, Gallagher Command Centre, Gallagher Diagnostics Service, Gallagher Elevator Service, Gallagher Encoding Kiosk Application, Gallagher Entra Id Sync V1, Gallagher Entra Id Sync V2, Gallagher Event Logger, Gallagher Event Sync Utility, Gallagher Middleware Framework, Gallagher Nexudus Integration, Gallagher Okta Sync, Gallagher Papercut Interface Integration, Gallagher Sip Integration.

## How do I fix CVE-2026-25193?

No fix has been published for CVE-2026-25193 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-25193 being exploited?

There is no known exploitation of CVE-2026-25193 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-25193 and fix it if it is affected.

What it is: CVE-2026-25193 is a high-severity vulnerability in Gallagher Active Directory Sync, published on 25 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-25193 in the wild and no public exploit code.

Affected product: Gallagher Active Directory Sync. 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-2026-25193/ (Markdown: https://insights.sbomify.com/CVE-2026-25193/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-25193
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-25193
- OSV: https://osv.dev/vulnerability/CVE-2026-25193

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-25193/
Summaries are generated and may contain mistakes; the official description above is the record.