# CVE-2026-54105: U.S. GAO EPDS and CBCA EDS user information disclosure

> Unauthenticated attackers can retrieve sensitive user account details, including email addresses, by manipulating the user_id parameter in the API.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 18 Jun 2026
- **Updated:** 24 Jun 2026
- **Also known as:** GHSA-79rr-2p25-73c5

## What is CVE-2026-54105?

CVE-2026-54105 is a medium-severity vulnerability in Civilian Board of Contract Appeals Electronic Docketing System (EDS), published on 18 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) expose sensitive account information through the 'update-profile/' API endpoint. A remote, unauthenticated attacker can submit a request containing an arbitrary 'user_id' parameter and receive a JSON response containing account-specific information, including the associated email address.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-54105?


## How do I fix CVE-2026-54105?

No fix has been published for CVE-2026-54105 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-54105 being exploited?

There is no known exploitation of CVE-2026-54105 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-54105 and fix it if it is affected.

What it is: CVE-2026-54105 is a medium-severity vulnerability in Civilian Board of Contract Appeals Electronic Docketing System (EDS), published on 18 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-54105 in the wild and no public exploit code.

Affected product: Civilian Board of Contract Appeals Electronic Docketing System (EDS). 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-2026-54105/ (Markdown: https://insights.sbomify.com/CVE-2026-54105/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-54105
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-54105
- OSV: https://osv.dev/vulnerability/CVE-2026-54105

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-54105/
Summaries are generated and may contain mistakes; the official description above is the record.