🛡️ CVE-2026-50200 — steeltoe.management.endpoint

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-200 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Steeltoe's env sanitizer misses connection strings — leaks embedded DB passwords

Summary

The Sanitizer component in the Environment actuator redacts configuration values by matching the configuration key name against a suffix list. The default list (password, secret, key, token, .*credentials.*, vcap_services) does not cover the standard .NET pattern ConnectionStrings:<name> or Steeltoe Connectors' Steeltoe:Client:<type>:Default:ConnectionString. There is no value-based scrubbing, so full connection string values including embedded Password= and user:pass@host segments are returned verbatim in /actuator/env responses.

Impact

Any caller who can reach /actuator/env can receive connection strings containing plaintext credentials. Those credentials enable direct connection to the backing database, bypassing the application tier.

Affected configuration

  • Application configuration contains credentials in ConnectionStrings:* or *:ConnectionString keys.
  • On standard deployments: env is added to Management:Endpoints:Actuator:Exposure:Include. This is not the default.
  • On Cloud Foundry: the /cloudfoundryapplication/env path is accessible to any authenticated CF user with read_basic_data permissions (Space Auditor and above) regardless of the exposure configuration.

Mitigations

If an immediate upgrade is not possible:

  • On the standard path, remove env from the actuator exposure list.
  • Add .*connectionstring.* to KeysToSanitize as a defense-in-depth measure for both paths.
  • Require authorization on actuator endpoints.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2026-50200 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2026-50200 is recorded against 3 packages.

  • steeltoe.management.endpoint (fixed in 4.2.0)
  • steeltoe.management.endpointcore (fixed in 3.4.0)
  • unknown

Timeline and source

Published on 2 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2026-07-02
Updated 2026-08-12
Modified 2026-07-02
Fix URL N/A

Affected Packages

Software From version Fixed in
steeltoe.management.endpoint — 4.2.0
steeltoe.management.endpointcore — 3.4.0
unknown — —

Similar Threats

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